Submission #1159959

#TimeUsernameProblemLanguageResultExecution timeMemory
1159959panAkcija (COCI21_akcija)C++20
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> //#include "includeall.h" //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> #define endl '\n' #define f first #define s second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define input(x) scanf("%lld", &x); #define input2(x, y) scanf("%lld%lld", &x, &y); #define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z); #define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a); #define print(x, y) printf("%lld%c", x, y); #define show(x) cerr << #x << " is " << x << endl; #define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl; #define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl; #define all(x) x.begin(), x.end() #define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end()); #define FOR(i, x, n) for (ll i =x; i<=n; ++i) #define RFOR(i, x, n) for (ll i =x; i>=n; --i) #pragma GCC optimize("O3","unroll-loops") using namespace std; mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count()); //using namespace __gnu_pbds; //#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> //#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> typedef long long ll; typedef long double ld; typedef pair<ld, ll> pd; typedef pair<string, ll> psl; typedef pair<ll, ll> pi; typedef pair<pi, ll> pii; typedef pair<pi, pi> piii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ll n, k; pi dp[2005][2005]; vector<pi> v, ans; pi dfs(ll idx, ll cnt) { if (idx == n) return mp(0, 0); if (dp[idx][cnt] != mp(-1LL, -1LL)) return dp[idx][cnt]; pi ans = dfs(idx + 1, cnt); if (cnt < v[idx].f) { pi ans2 = dfs(idx + 1, cnt + 1); ans2.f++; ans2.s+= v[idx].s; ans = max(ans, ans2); } return dp[idx][cnt] = ans; } void dfs2(ll idx, ll cnt, ll c, ll w) { if (ans.size() == k) return; if (idx==n) { if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w)); return; } if (mp(c, w) >= dfs(idx, cnt)) return; // no solution found dfs2(idx + 1, cnt, c, w); if (ans.size() == k) return; if (cnt < v[idx].f) dfs2(idx + 1, cnt + 1, c-1, w - v[idx].s); } int main() { cin >> n >> k; v.resize(n); for (ll i=0; i<=n; ++i) for (ll j=0; j<=n; ++j) dp[i][j] = mp(-1, -1); for (ll i=0; i<n; ++i) cin >> v[i].s >> v[i].f; sort(all(v)); for (ll i=0; i<n; ++i) {v[i].s*=-1; v[i].s += 1e9;} ll lo = 0, hi = 2e16, cut = 2e9*2000; while (lo!=hi) { ll mid = (lo + hi + 1) >> 1; ans.clear(); dfs2(0, 0, mid/cut, mid%cut); if (ans.size() < k) hi = mid-1; else lo = mid; } //show(lo); ans.clear(); dfs2(0, 0, lo/cut, lo%cut); for (ll i=0; i<ans.size(); ++i) ans[i].f = -ans[i].f + lo/cut, ans[i].s = (-ans[i].s + lo%cut); sort(all(ans), greater<pi> ()); while (ans.size() < k) ans.pb(mp(lo/cut, lo%cut)); for (ll i=0; i<k; ++i) cout << ans[i].f << ' ' << -ans[i].s + 1e9*ans[i].f << endl; return 0; }

Compilation message (stderr)

Main.cpp: In function 'void dfs2(ll, ll, ll, ll)':
Main.cpp:61:30: error: no match for 'operator<' (operand types are 'std::pair<long long int, long long int>' and 'std::pair<int, int>')
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                              ^
In file included from /usr/include/c++/11/regex:63,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110,
                 from Main.cpp:1:
/usr/include/c++/11/bits/regex.h:1244:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Alloc> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' (reversed)
 1244 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/11/bits/regex.h:1244:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/regex:63,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110,
                 from Main.cpp:1:
/usr/include/c++/11/bits/regex.h:1412:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' (reversed)
 1412 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/11/bits/regex.h:1412:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/regex:63,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110,
                 from Main.cpp:1:
/usr/include/c++/11/bits/regex.h:1585:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' (reversed)
 1585 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/11/bits/regex.h:1585:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
                 from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_iterator.h:538:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorR>&)' (reversed)
  538 |     operator<=>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:538:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_IteratorL>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
                 from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_iterator.h:1596:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' (reversed)
 1596 |     operator<=>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:1596:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/basic_string.h:48,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/string_view:556:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)' (reversed)
  556 |     operator<=>(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/11/string_view:556:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/bits/basic_string.h:6276:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' (reversed)
 6276 |     operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/11/bits/basic_string.h:6276:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/11/tuple:1557:5: note: candidate: 'template<class ... _Tps, class ... _Ups> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_Tps&>(), declval<_Ups&>()))...> std::operator<=>(const std::tuple<_Tps ...>&, const std::tuple<_UTypes ...>&)' (reversed)
 1557 |     operator<=>(const tuple<_Tps...>& __t, const tuple<_Ups...>& __u)
      |     ^~~~~~~~
/usr/include/c++/11/tuple:1557:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::tuple<_Tps ...>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/locale_conv.h:41,
                 from /usr/include/c++/11/locale:43,
                 from /usr/include/c++/11/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/bits/unique_ptr.h:895:5: note: candidate: 'template<class _Tp, class _Dp, class _Up, class _Ep>  requires  three_way_comparable_with<typename std::unique_ptr<_Tp, _Dp>::pointer, typename std::unique_ptr<_Up, _Ep>::pointer, std::partial_ordering> std::compare_three_way_result_t<typename std::unique_ptr<_Tp, _Dp>::pointer, typename std::unique_ptr<_Up, _Ep>::pointer> std::operator<=>(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)' (reversed)
  895 |     operator<=>(const unique_ptr<_Tp, _Dp>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/unique_ptr.h:895:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/locale_conv.h:41,
                 from /usr/include/c++/11/locale:43,
                 from /usr/include/c++/11/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/bits/unique_ptr.h:903:5: note: candidate: 'template<class _Tp, class _Dp>  requires  three_way_comparable<typename std::unique_ptr<_Tp, _Dp>::pointer, std::partial_ordering> std::compare_three_way_result_t<typename std::unique_ptr<_Tp, _Dp>::pointer> std::operator<=>(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t)' (reversed)
  903 |     operator<=>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
      |     ^~~~~~~~
/usr/include/c++/11/bits/unique_ptr.h:903:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/shared_ptr.h:53,
                 from /usr/include/c++/11/memory:77,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82,
                 from Main.cpp:1:
/usr/include/c++/11/bits/shared_ptr_base.h:1422:5: note: candidate: 'template<class _Tp, class _Up, __gnu_cxx::_Lock_policy _Lp> std::strong_ordering std::operator<=>(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&)' (reversed)
 1422 |     operator<=>(const __shared_ptr<_Tp, _Lp>& __a,
      |     ^~~~~~~~
/usr/include/c++/11/bits/shared_ptr_base.h:1422:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::__shared_ptr<_Tp1, _Lp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/shared_ptr.h:53,
                 from /usr/include/c++/11/memory:77,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82,
                 from Main.cpp:1:
/usr/include/c++/11/bits/shared_ptr_base.h:1428:5: note: candidate: 'template<class _Tp, __gnu_cxx::_Lock_policy _Lp> std::strong_ordering std::operator<=>(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t)' (reversed)
 1428 |     operator<=>(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept
      |     ^~~~~~~~
/usr/include/c++/11/bits/shared_ptr_base.h:1428:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::__shared_ptr<_Tp, _Lp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/memory:77,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82,
                 from Main.cpp:1:
/usr/include/c++/11/bits/shared_ptr.h:449:5: note: candidate: 'template<class _Tp, class _Up> std::strong_ordering std::operator<=>(const std::shared_ptr<_Tp>&, const std::shared_ptr<_Tp>&)' (reversed)
  449 |     operator<=>(const shared_ptr<_Tp>& __a,
      |     ^~~~~~~~
/usr/include/c++/11/bits/shared_ptr.h:449:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::shared_ptr<_Tp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/memory:77,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82,
                 from Main.cpp:1:
/usr/include/c++/11/bits/shared_ptr.h:455:5: note: candidate: 'template<class _Tp> std::strong_ordering std::operator<=>(const std::shared_ptr<_Tp>&, std::nullptr_t)' (reversed)
  455 |     operator<=>(const shared_ptr<_Tp>& __a, nullptr_t) noexcept
      |     ^~~~~~~~
/usr/include/c++/11/bits/shared_ptr.h:455:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::shared_ptr<_Tp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:130,
                 from Main.cpp:1:
/usr/include/c++/11/optional:1096:5: note: candidate: 'template<class _Tp, class _Up>  requires  three_way_comparable_with<_Up, _Tp, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const std::optional<_Tp>&, const std::optional<_Up>&)' (reversed)
 1096 |     operator<=>(const optional<_Tp>& __x, const optional<_Up>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/optional:1096:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::optional<_Tp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:130,
                 from Main.cpp:1:
/usr/include/c++/11/optional:1111:5: note: candidate: 'template<class _Tp> constexpr std::strong_ordering std::operator<=>(const std::optional<_Tp>&, std::nullopt_t)' (reversed)
 1111 |     operator<=>(const optional<_Tp>& __x, nullopt_t) noexcept
      |     ^~~~~~~~
/usr/include/c++/11/optional:1111:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::optional<_Tp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:130,
                 from Main.cpp:1:
/usr/include/c++/11/optional:1253:5: note: candidate: 'template<class _Tp, class _Up>  requires !(__is_optional_v<_Up>) && (three_way_comparable_with<_Tp, _Up, std::partial_ordering>) constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const std::optional<_Tp>&, const _Up&)' (reversed)
 1253 |     operator<=>(const optional<_Tp>& __x, const _Up& __v)
      |     ^~~~~~~~
/usr/include/c++/11/optional:1253:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::optional<_Tp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/regex:63,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110,
                 from Main.cpp:1:
/usr/include/c++/11/bits/regex.h:1072:5: note: candidate: 'template<class _BiIter> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' (rewritten)
 1072 |     operator<=>(const sub_match<_BiIter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/11/bits/regex.h:1072:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
                 from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_pair.h:473:5: note: candidate: 'template<class _T1, class _T2> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' (rewritten)
  473 |     operator<=>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_pair.h:473:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   deduced conflicting types for parameter '_T1' ('long long int' and 'int')
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
                 from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_iterator.h:554:5: note: candidate: 'template<class _Iterator>  requires  three_way_comparable<_Iterator, std::partial_ordering> constexpr std::compare_three_way_result_t<_Iterator, _Iterator> std::operator<=>(const std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorL>&)' (rewritten)
  554 |     operator<=>(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:554:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_IteratorL>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
                 from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_iterator.h:1655:5: note: candidate: 'template<class _Iterator>  requires  three_way_comparable<_Iterator, std::partial_ordering> constexpr std::compare_three_way_result_t<_Iterator, _Iterator> std::operator<=>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' (rewritten)
 1655 |     operator<=>(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:1655:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/basic_string.h:48,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/string_view:549:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' (rewritten)
  549 |     operator<=>(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/11/string_view:549:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/bits/basic_string.h:6262:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' (rewritten)
 6262 |     operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/11/bits/basic_string.h:6262:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/11/array:282:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr std::__detail::__synth3way_t<_T1> std::operator<=>(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)' (rewritten)
  282 |     operator<=>(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
      |     ^~~~~~~~
/usr/include/c++/11/array:282:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::array<_Tp, _Nm>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1910:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)' (rewritten)
 1910 |     operator<=>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1910:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::vector<_Tp, _Alloc>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/deque:67,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:68,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_deque.h:2265:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)' (rewritten)
 2265 |     operator<=>(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_deque.h:2265:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::deque<_Tp, _Alloc>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/list:63,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:79,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_list.h:2065:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&)' (rewritten)
 2065 |     operator<=>(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_list.h:2065:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::list<_Tp, _Alloc>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/map:61,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:81,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_map.h:1484:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> std::__detail::__synth3way_t<std::pair<const _Key, _Tp> > std::operator<=>(const std::map<_Key, _Tp, _Compare, _Allocator>&, const std::map<_Key, _Tp, _Compare, _Allocator>&)' (rewritten)
 1484 |     operator<=>(const map<_Key, _Tp, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_map.h:1484:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::map<_Key, _Tp, _Compare, _Allocator>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/map:62,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:81,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_multimap.h:1149:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> std::__detail::__synth3way_t<std::pair<const _Key, _Tp> > std::operator<=>(const std::multimap<_Key, _Tp, _Compare, _Allocator>&, const std::multimap<_Key, _Tp, _Compare, _Allocator>&)' (rewritten)
 1149 |     operator<=>(const multimap<_Key, _Tp, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_multimap.h:1149:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Allocator>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:86,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_queue.h:392:5: note: candidate: 'template<class _Tp, class _Seq>  requires  three_way_comparable<_Seq, std::partial_ordering> std::compare_three_way_result_t<_Seq> std::operator<=>(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&)' (rewritten)
  392 |     operator<=>(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_queue.h:392:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::queue<_Tp, _Seq>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/set:61,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:87,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_set.h:1006:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::set<_Key, _Compare, _Allocator>&, const std::set<_Key, _Compare, _Allocator>&)' (rewritten)
 1006 |     operator<=>(const set<_Key, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_set.h:1006:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::set<_Key, _Compare, _Allocator>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/set:62,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:87,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_multiset.h:992:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::multiset<_Key, _Compare, _Allocator>&, const std::multiset<_Key, _Compare, _Allocator>&)' (rewritten)
  992 |     operator<=>(const multiset<_Key, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_multiset.h:992:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::multiset<_Key, _Compare, _Allocator>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/stack:61,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:89,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_stack.h:367:5: note: candidate: 'template<class _Tp, class _Seq>  requires  three_way_comparable<_Seq, std::partial_ordering> std::compare_three_way_result_t<_Seq> std::operator<=>(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)' (rewritten)
  367 |     operator<=>(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_stack.h:367:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::stack<_Tp, _Seq>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/forward_list:38,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:104,
                 from Main.cpp:1:
/usr/include/c++/11/bits/forward_list.h:1446:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&)' (rewritten)
 1446 |     operator<=>(const forward_list<_Tp, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/forward_list.h:1446:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::forward_list<_Tp, _Alloc>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Main.cpp:1:
/usr/include/c++/11/variant:1246:5: note: candidate: 'template<class ... _Types>  requires (three_way_comparable<_Types, std::partial_ordering> && ...) constexpr std::common_comparison_category_t<typename std::__detail::__cmp3way_res_impl<_Types, _Types>::type ...> std::operator<=>(const std::variant<_Types ...>&, const std::variant<_Types ...>&)' (rewritten)
 1246 |     operator<=>(const variant<_Types...>& __v, const variant<_Types...>& __w)
      |     ^~~~~~~~
/usr/include/c++/11/variant:1246:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::variant<_Types ...>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:142,
                 from Main.cpp:1:
/usr/include/c++/11/coroutine:144:3: note: candidate: 'constexpr std::strong_ordering std::__n4861::operator<=>(std::__n4861::coroutine_handle<void>, std::__n4861::coroutine_handle<void>)' (rewritten)
  144 |   operator<=>(coroutine_handle<> __a, coroutine_handle<> __b) noexcept
      |   ^~~~~~~~
/usr/include/c++/11/coroutine:144:34: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::__n4861::coroutine_handle<void>'
  144 |   operator<=>(coroutine_handle<> __a, coroutine_handle<> __b) noexcept
      |               ~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/11/bits/ios_base.h:46,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/11/system_error:261:3: note: candidate: 'std::strong_ordering std::operator<=>(const std::error_code&, const std::error_code&)' (rewritten)
  261 |   operator<=>(const error_code& __lhs, const error_code& __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/11/system_error:261:33: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'const std::error_code&'
  261 |   operator<=>(const error_code& __lhs, const error_code& __rhs) noexcept
      |               ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/system_error:387:3: note: candidate: 'std::strong_ordering std::operator<=>(const std::error_condition&, const std::error_condition&)' (rewritten)
  387 |   operator<=>(const error_condition& __lhs,
      |   ^~~~~~~~
/usr/include/c++/11/system_error:387:38: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'const std::error_condition&'
  387 |   operator<=>(const error_condition& __lhs,
      |               ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:113,
                 from Main.cpp:1:
/usr/include/c++/11/thread:62:3: note: candidate: 'std::strong_ordering std::operator<=>(std::thread::id, std::thread::id)' (rewritten)
   62 |   operator<=>(thread::id __x, thread::id __y) noexcept
      |   ^~~~~~~~
/usr/include/c++/11/thread:62:26: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::thread::id'
   62 |   operator<=>(thread::id __x, thread::id __y) noexcept
      |               ~~~~~~~~~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Main.cpp:1:
/usr/include/c++/11/variant:1269:3: note: candidate: 'constexpr std::strong_ordering std::operator<=>(std::monostate, std::monostate)' (rewritten)
 1269 |   operator<=>(monostate, monostate) noexcept { return strong_ordering::equal; }
      |   ^~~~~~~~
/usr/include/c++/11/variant:1269:15: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::monostate'
 1269 |   operator<=>(monostate, monostate) noexcept { return strong_ordering::equal; }
      |               ^~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
                 from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_iterator.h:509:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorR>&) requires requires{{std::operator<::__x->base() > std::operator<::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}'
  509 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:509:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_IteratorL>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
                 from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_iterator.h:1609:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&) requires requires{{std::operator<::__x->base() < std::operator<::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}'
 1609 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:1609:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/locale_conv.h:41,
                 from /usr/include/c++/11/locale:43,
                 from /usr/include/c++/11/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/bits/unique_ptr.h:795:5: note: candidate: 'template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)'
  795 |     operator<(const unique_ptr<_Tp, _Dp>& __x,
      |     ^~~~~~~~
/usr/include/c++/11/bits/unique_ptr.h:795:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/locale_conv.h:41,
                 from /usr/include/c++/11/locale:43,
                 from /usr/include/c++/11/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/bits/unique_ptr.h:807:5: note: candidate: 'template<class _Tp, class _Dp> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t)'
  807 |     operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
      |     ^~~~~~~~
/usr/include/c++/11/bits/unique_ptr.h:807:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/bits/locale_conv.h:41,
                 from /usr/include/c++/11/locale:43,
                 from /usr/include/c++/11/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
                 from Main.cpp:1:
/usr/include/c++/11/bits/unique_ptr.h:816:5: note: candidate: 'template<class _Tp, class _Dp> bool std::operator<(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&)'
  816 |     operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x)
      |     ^~~~~~~~
/usr/include/c++/11/bits/unique_ptr.h:816:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:86,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_queue.h:362:5: note: candidate: 'template<class _Tp, class _Seq> bool std::operator<(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&)'
  362 |     operator<(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_queue.h:362:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::queue<_Tp, _Seq>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/stack:61,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:89,
                 from Main.cpp:1:
/usr/include/c++/11/bits/stl_stack.h:337:5: note: candidate: 'template<class _Tp, class _Seq> bool std::operator<(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)'
  337 |     operator<(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y)
      |     ^~~~~~~~
/usr/include/c++/11/bits/stl_stack.h:337:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::stack<_Tp, _Seq>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__less, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
  419 |     _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  419 |     _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  419 |     _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
  419 |     _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/c++/11/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  419 |     _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<int, int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__less, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
 1200 | _DEFINE_BINARY_OPERATOR(<, __less)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1200:1: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::valarray<_Tp>'
   61 |                 if (mp(c, w) < mp(0, 0)) ans.pb(mp(c, w));
      |                                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
                 from Main.cpp:1:
/usr/include/c++/11/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__less, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
 1200 | _DEFINE_BINARY_OPERATOR(<, __less)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1200:1: note:   template argument deduction/substitution failed:
Main.cpp:61:39: note:   'std::pair<long long int, long long int>' is not derived from 'const std::valarray<_Tp>'
   61 |                 if (mp(c