Submission #410477

#TimeUsernameProblemLanguageResultExecution timeMemory
410477AugustinasJucasPairs (IOI07_pairs)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; struct seg_tree{ struct node{ int val = 0; int l, r; }; vector<node> tree; int n; int dbInd = 0; void build(int v){ if(v >= n){ tree[v].l = tree[v].r = dbInd++; }else{ build(v*2); build(v*2+1); tree[v].l = tree[v*2].l; tree[v].r = tree[v*2+1].r; } } seg_tree(int dd){ n = dd; tree.resize(2 * n + 1); build(1); } void change(int v, int l, int r, int x){ if(l <= tree[v].l && tree[v].r <= r){ tree[v].val += x; }else if(tree[v].r < l || r < tree[v].l){ }else{ change(v*2, l, r, x); change(v*2+1, l, r, x); tree[v].val = tree[v*2].val + tree[v*2+1].val; } } int find(int v, int l, int r){ if(l <= tree[v].l && tree[v].r <= r){ return tree[v].val; }else if(tree[v].r < l || r < tree[v].l){ return 0; }else{ return find(v*2, l, r) + find(v*2+1, l, r); } } }; long long f1(vector<int> &mas, int X){ // N log N // mas isrikiuotas long long ret = 0; for(auto x : mas){ // cout << x << " prd " << upper_bound(mas.begin(), mas.end(), x + X) - lower_bound(mas.begin(), mas.end(), x - X) << endl; ret += upper_bound(mas.begin(), mas.end(), x + X) - lower_bound(mas.begin(), mas.end(), x - X)-1; } return ret; } long long f2(vector<pair<int, int> > &ms, int d){ const int dd = 150001; vector<vector<int> > pts(dd); vector<pair<int, int> > mas; for(int i = 0; i < (int)ms.size(); i++){ int X = ms[i].first + ms[i].second; int Y = ms[i].first - ms[i].second; pts[X].push_back(Y); } seg_tree medis(dd * 2 + 10); sort(mas.begin(), mas.end()); long long ans = 0; for(int i = 0; i < dd; i++){ if(i-d-1 >= 0){ for(auto x : pts[i-d-1]){ //cout << "X = " << x << endl; medis.change(1, x +dd, x + dd, -1); } } sort(pts[i].begin(), pts[i].end()); for(int j = 0; j < (int)pts[i].size(); j++){ ans += upper_bound(pts[i].begin() + j, pts[i].end(), pts[i][j] + d) - pts[i].begin() - j -1; //cout << "prd " << (int)( upper_bound(pts[i].begin() + j + 1, pts[i].end(), pts[i][j] + d) - pts[i].begin() - j - 2) << endl; ans += medis.find(1, pts[i][j]-d + dd, pts[i][j]+d + dd); } for(auto x : pts[i]){ medis.change(1, x+dd, x + dd, 1); } } return ans; } void dar(vector<vector<int> > &mas, vector<vector<int> > &pref){ // precalc pref int n = mas.size(); int m = mas[0].size(); for(int i = 0; i < n; i++){ int sm = 0; for(int j = 0; j < m; j++){ sm += mas[i][j]; pref[i][j] = (i == 0 ? 0 : pref[i-1][j]) + sm; } } } int ad = 0, ak = 0, vd = 0, vk = 0; int fd(vector<vector<int> > &pref, int x1, int y1, int x2, int y2){ ad = 0, ak = 0, vd = 0, vk = 0; ad = pref[x2][y2]; if(x1 != 0) ak = pref[x1-1][y2]; if(y1 != 0) vd = pref[x2][y1-1]; if(y1 != 0 && x1 != 0) vk = pref[x1-1][y1-1]; return ad - ak - vd + vk; } const int dd = 75; int sm[76][76][76][76] = {}; long long f3(vector<pair<int, pair<int, int> > > &mas, int d){ vector<vector<vector<int> > > trans, pref; trans.resize(76); for(auto &x : trans){ x.resize(230); for(auto &y : x) y.resize(230); } pref = trans; vector<vector<pair<int, int> > > pts; pts.resize(75 + 1); for(auto x : mas){ int X = x.second.first; int Y = x.second.second; trans[x.first][X+Y][X-Y+dd] = 1; pts[x.first].push_back({X+Y, X-Y + dd}); } for(int i = 0; i <= 75; i++){ dar(trans[i], pref[i]); } int X, Y, x1, x2, y1, y2; for(int i = 0; i <= 75; i++){ for(int j = 0; j <= 75; j++){ for(int h = 0; h <= 75; h++){ for(int l = 0; l <= 75; l++){ // jei turiu tik pozicija i-ajame aukste su koordinatem [j; h] ir d = l, kiek pasieksiu? X = j + h; Y = j - h + dd; x1 = min(max(X - l, 0), 229); y1 = min(max(Y - l, 0), 229); x2 = max(min(X + l, 229), 0); y2 = max(min(Y + l, 229), 0); sm[i][j][h][l] = fd(pref[i], x1, y1, x2, y2); } } } } long long ans = 0; for(auto x : mas){ int H, X, Y, L; for(int i = -d ; i <= d; i++){ H = x.first + i; if(x < 0 || h > 75) continue; X = x.second.first; Y = x.second.second; L = d - abs(i); ans += sm[H][X][Y][L]; } ans--; } return ans/2ll; } int main(){ int B, n, d, m; cin >> B >> n >> d >> m; if(B == 1){ vector<int> ms(n); for(auto &x : ms) cin >> x; sort(ms.begin(), ms.end()); cout << f1(ms, d) /2ll; return 0; }else if(B == 2){ vector<pair<int, int> > ms(n); for(auto &x : ms) cin >> x.first >> x.second; cout << f2(ms, d); }else{ vector<pair<int, pair<int, int> > > ms(n); for(auto &x : ms) cin >> x.first >> x.second.first >> x.second.second; cout << f3(ms, d); } return 0; }

Compilation message (stderr)

pairs.cpp: In function 'long long int f3(std::vector<std::pair<int, std::pair<int, int> > >&, int)':
pairs.cpp:155:9: error: no match for 'operator<' (operand types are 'std::pair<int, std::pair<int, int> >' and 'int')
  155 |    if(x < 0 || h > 75) continue;
      |       ~ ^ ~
      |       |   |
      |       |   int
      |       std::pair<int, std::pair<int, int> >
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/regex.h:1075:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1075 |     operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1075:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/regex.h:1156:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
 1156 |     operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1156:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/regex.h:1249:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1249 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1249:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/regex.h:1323:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1323 |     operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1323:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/regex.h:1417:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1417 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1417:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/regex.h:1492:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1492 |     operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1492:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/regex.h:1592:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1592 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1592:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  489 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:489:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  366 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:366:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::reverse_iterator<_Iterator>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  404 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:404:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::reverse_iterator<_Iterator>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1451 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::move_iterator<_IteratorL>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1507 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::move_iterator<_IteratorL>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6267:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6267 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6267:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6280:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
 6280 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6280:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6292:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6292 |     operator<(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6292:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   mismatched types 'const _CharT*' and 'std::pair<int, std::pair<int, int> >'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/bits/ios_base.h:46,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from pairs.cpp:1:
/usr/include/c++/10/system_error:252:3: note: candidate: 'bool std::operator<(const std::error_code&, const std::error_code&)'
  252 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/10/system_error:252:31: note:   no known conversion for argument 1 from 'std::pair<int, std::pair<int, int> >' to 'const std::error_code&'
  252 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/system_error:379:3: note: candidate: 'bool std::operator<(const std::error_condition&, const std::error_condition&)'
  379 |   operator<(const error_condition& __lhs,
      |   ^~~~~~~~
/usr/include/c++/10/system_error:379:36: note:   no known conversion for argument 1 from 'std::pair<int, std::pair<int, int> >' to 'const std::error_condition&'
  379 |   operator<(const error_condition& __lhs,
      |             ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/10/deque:67,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:68,
                 from pairs.cpp:1:
/usr/include/c++/10/bits/stl_deque.h:2279:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)'
 2279 |     operator<(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_deque.h:2279:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::deque<_Tp, _Alloc>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from pairs.cpp:1:
/usr/include/c++/10/array:284:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)'
  284 |     operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
      |     ^~~~~~~~
/usr/include/c++/10/array:284:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::array<_Tp, _Nm>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from pairs.cpp:1:
/usr/include/c++/10/tuple:1435:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Tps ...>&, const std::tuple<_Elements ...>&)'
 1435 |     operator<(const tuple<_TElements...>& __t,
      |     ^~~~~~~~
/usr/include/c++/10/tuple:1435:5: note:   template argument deduction/substitution failed:
pairs.cpp:155:11: note:   'std::pair<int, std::pair<int, int> >' is not derived from 'const std::tuple<_Tps ...>'
  155 |    if(x < 0 || h > 75) continue;
      |           ^
In file included from /usr/include/c++/10/bits/locale_conv.h:41,
                 from /usr/include/c++/10/locale:43,
                 from /usr/include/c++/10/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72,
                 from pairs.cpp:1:
/usr/include/c++/10/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,
      |     ^~~~~~~~