# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1224162 | Sharky | Catfish Farm (IOI22_fish) | C++17 | Compilation error | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
using i32 = int32_t;
#define int long long
const int inf = 1e16;
vector<pair<int, int>> item[100002];
map<int, int> mp[2][100002];
long long max_weights(i32 N, i32 M, std::vector<i32> X, std::vector<i32> Y,
std::vector<i32> W) {
// vector<vector<vector<int>>> dp(2, vector<vector<int>> (N+1, vector<int> (N+1, -inf)));
// dp[0][0][0] = 0;
// for (int i = 1; i <= N; i++) dp[0][0][i] = dp[1][0][i] = -inf;
for (int i = 0; i < M; i++) {
X[i]++, Y[i]++;
// sum[X[i]][Y[i]] += (int) W[i];
item[X[i]].push_back({Y[i], W[i]});
}
for (int i = 1; i <= N; i++) {
// for (auto& [x, y] : item[i]) cout << "item: " << i << " " << x << " " << y << '\n';
sort(item[i].begin(), item[i].end());
for (int j = 1; j < item[i].size(); j++) item[i][j].second += item[i][j - 1].second;
}
// cout << "ho\n";
int ans = 0;
mp[0][0][0] = 0;
for (int i = 1; i <= N; i++) mp[0][0][i] = mp[1][0][i] = -inf;
// cout << "hi\n";
for (int i = 1; i <= N; i++) {
vector<int> cand = {0, N};
for (int j = 0; j < item[i-1].size(); j++) cand.push_back(item[i-1][j].first);
for (int j = 0; j < item[i].size(); j++) cand.push_back(item[i][j].first - 1);
// cout << "cand: " << '\n';
// cout << i <<'\n';
// for (auto& x : cand) cout << x << " ";
// cout << '\n';
auto que = [&] (int i, int j) {
int mins = 0;
if (!item[i].empty() && item[i].front().first <= j) {
auto it = lower_bound(item[i].begin(), item[i].end(), make_pair(j+1, 0));
--it;
mins = (*it).second;
}
return mins;
};
vector<pair<int, int>> t0p, t1p;
map<int, int> c0p = mp[0][i-1], c1p = mp[1][i-1];
for (auto& [key, val] : mp[0][i-1]) {
val += que(i, key);
t0p.push_back({key, val});
}
for (auto& [key, val] : mp[1][i-1]) {
val += que(i, key);
t1p.push_back({key, val});
}
for (int j = (int) t0p.size() - 2; j >= 0; j--) {
mp[0][i-1][t0p[j].first] = max(mp[0][i-1][t0p[j+1].first], t0p[j].second);
}
for (int j = (int) t1p.size() - 2; j >= 0; j--) {
mp[1][i-1][t1p[j].first] = max(mp[1][i-1][t1p[j+1].first], t1p[j].second);
}
for (auto& j : cand) {
int bruh = 0;
auto it = mp[0][i-1].lower_bound(j);
if (it != mp[0][i-1].end()) bruh = it->second;
auto it2 = mp[1][i-1].lower_bound(j);
if (it2 != mp[1][i-1].end()) bruh = max(bruh, it2->second);
bruh -= que(i, j);
mp[1][i][j] = bruh;
ans = max(ans, bruh);
}
mp[0][i-1] = c0p;
mp[1][i-1] = c1p;
t0p.clear(), t1p.clear();
for (auto& [key, val] : mp[0][i-1]) {
val -= que(i-1, key);
t0p.push_back({key, val});
}
for (int j = 1; j < t0p.size(); j++) {
mp[0][i-1][t0p[j].first] = max(mp[0][i-1][t0p[j-1].first], t0p[j].second);
}
for (auto& j : cand) {
int bruh = 0;
if (!mp[0][i-1].empty() && mp[0][i-1].begin()->first <= j) {
auto it = --mp[0][i-1].upper_bound(j);
bruh = max(bruh, it->second);
}
if (i >= 2) {
if (mp[1][i-2].count(0)) bruh = max(bruh, mp[1][i-2][0]);
}
bruh += que(i-1, j);
mp[0][i][j] = bruh;
ans = max(ans, bruh);
}
mp[0][i-1] = c0p;
if (i >= 2) {
vector<pair<int, int>> t2p;
for (auto& [key, val] : mp[0][i-2]) {
// val += que(i, key);
t2p.push_back({key, val});
}
for (int j = 1; j < t2p.size(); j++) {
mp[0][i-2][t2p[j].first] = max(mp[0][i-2][t2p[j-1].first], t2p[j].second);
}
for (auto& j : cand) {
int bruh = que(i-1, j);
if (!mp[0][i-2].empty() && mp[0][i-2].begin()->first <= j) {
auto it = --mp[0][i-2].upper_bound(j);
bruh += it->second;
}
mp[0][i][j] = max(mp[0][i][j], bruh);
ans = max(ans, bruh);
}
}
// cout << "dp " << i << '\n';
// for (auto& [x, y] : mp[0][i]) cout << x << " " << y << '\n';
// for (auto& [x, y] : mp[1][i]) cout << x << " " << y << '\n';
// cout << "alive\n";
// for (int j = 0; j <= N; j++) {
// for (int k = 0; k <= j; k++) {
// int mx = dp[0][i-1][k];
// if (i >= 2 && k == 0) mx = max(mx, dp[1][i-2][0]);
// dp[0][i][j] = max(dp[0][i][j], mx + sum[i-1][j] - sum[i-1][k]);
// if (i >= 2) dp[0][i][j] = max(dp[0][i][j], dp[0][i-2][k] + sum[i-1][j]);
// }
// for (int k = j; k <= N; k++) {
// dp[1][i][j] = max(dp[1][i][j], max(dp[0][i-1][k], dp[1][i-1][k]) + sum[i][k] - sum[i][j]);
// }
// ans = max({ans, dp[0][i][j], dp[1][i][j]});
// }
}
return ans;
}
Compilation message (stderr)
In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_less_val::operator()(_Iterator, _Value&) const [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Value = const std::pair<long long int, int>]': /usr/include/c++/11/bits/stl_algobase.h:1464:14: required from '_ForwardIterator std::__lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&, _Compare) [with _ForwardIterator = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Tp = std::pair<long long int, int>; _Compare = __gnu_cxx::__ops::_Iter_less_val]' /usr/include/c++/11/bits/stl_algobase.h:1499:32: required from '_ForwardIterator std::lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = __gnu_cxx::__normal_iterator<std::pair<long long int, long long int>*, std::vector<std::pair<long long int, long long int> > >; _Tp = std::pair<long long int, int>]' fish.cpp:44:38: required from here /usr/include/c++/11/bits/predefined_ops.h:69:22: error: no match for 'operator<' (operand types are 'std::pair<long long int, long long int>' and 'const std::pair<long long int, int>') 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/stl_iterator.h:1187:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)' 1187 | operator<(const __normal_iterator<_IteratorL, _Container>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:1187:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/stl_iterator.h:1195:5: note: candidate: 'template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)' 1195 | operator<(const __normal_iterator<_Iterator, _Container>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:1195:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from fish.cpp:1: /usr/include/c++/11/bits/regex.h:1099:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1099 | operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1099:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from fish.cpp:1: /usr/include/c++/11/bits/regex.h:1180:5: 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>&)' 1180 | operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1180:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from fish.cpp:1: /usr/include/c++/11/bits/regex.h:1273:5: 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>&)' 1273 | operator<(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1273:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from fish.cpp:1: /usr/include/c++/11/bits/regex.h:1347:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1347 | operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1347:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'const std::pair<long long int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from fish.cpp:1: /usr/include/c++/11/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1441 | operator<(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1441:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from fish.cpp:1: /usr/include/c++/11/bits/regex.h:1516:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1516 | operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1516:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'const std::pair<long long int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from fish.cpp:1: /usr/include/c++/11/bits/regex.h:1616:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1616 | operator<(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1616:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/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++/11/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: deduced conflicting types for parameter '_T2' ('long long int' and 'int') 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/stl_iterator.h:426:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 426 | operator<(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:426:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_Iterator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/stl_iterator.h:465:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 465 | operator<(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:465:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_Iterator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.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>&)' 1609 | operator<(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:1609:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1667 | operator<(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/string_view:589:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 589 | operator< (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/11/string_view:589:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/string_view:595:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)' 595 | operator< (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/11/string_view:595:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/string_view:602:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)' 602 | operator< (__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/11/string_view:602:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/basic_string.h:6340:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6340 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/basic_string.h:6340:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/basic_string.h:6353:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 6353 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/basic_string.h:6353:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/basic_string.h:6365:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6365 | operator<(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/basic_string.h:6365:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: mismatched types 'const _CharT*' and 'std::pair<long long int, long long int>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/array:311:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)' 311 | operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b) | ^~~~~~~~ /usr/include/c++/11/array:311:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::array<_Tp, _Nm>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/tuple:1566:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Tps ...>&, const std::tuple<_UTypes ...>&)' 1566 | operator<(const tuple<_TElements...>& __t, | ^~~~~~~~ /usr/include/c++/11/tuple:1566:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::tuple<_Tps ...>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/stl_vector.h:1930:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)' 1930 | operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_vector.h:1930:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::vector<_Tp, _Alloc>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/deque:67, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:68, from fish.cpp:1: /usr/include/c++/11/bits/stl_deque.h:2285:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)' 2285 | operator<(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_deque.h:2285:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::deque<_Tp, _Alloc>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.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: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.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: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.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: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'const std::pair<long long int, int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/list:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:79, from fish.cpp:1: /usr/include/c++/11/bits/stl_list.h:2085:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&)' 2085 | operator<(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_list.h:2085:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::list<_Tp, _Alloc>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/map:61, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:81, from fish.cpp:1: /usr/include/c++/11/bits/stl_map.h:1501:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::map<_Key, _Tp, _Compare, _Allocator>&, const std::map<_Key, _Tp, _Compare, _Allocator>&)' 1501 | operator<(const map<_Key, _Tp, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_map.h:1501:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::map<_Key, _Tp, _Compare, _Allocator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/map:62, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:81, from fish.cpp:1: /usr/include/c++/11/bits/stl_multimap.h:1166:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::multimap<_Key, _Tp, _Compare, _Allocator>&, const std::multimap<_Key, _Tp, _Compare, _Allocator>&)' 1166 | operator<(const multimap<_Key, _Tp, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_multimap.h:1166:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Allocator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/shared_ptr_base.h:1457:5: note: candidate: 'template<class _Tp, class _Up, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&)' 1457 | operator<(const __shared_ptr<_Tp, _Lp>& __a, | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr_base.h:1457:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__shared_ptr<_Tp1, _Lp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/shared_ptr_base.h:1468:5: note: candidate: 'template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t)' 1468 | operator<(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr_base.h:1468:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__shared_ptr<_Tp, _Lp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ 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 fish.cpp:1: /usr/include/c++/11/bits/shared_ptr_base.h:1476:5: note: candidate: 'template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(std::nullptr_t, const std::__shared_ptr<_Tp, _Lp>&)' 1476 | operator<(nullptr_t, const __shared_ptr<_Tp, _Lp>& __a) noexcept | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr_base.h:1476:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'const std::pair<long long int, int>' is not derived from 'const std::__shared_ptr<_Tp, _Lp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/memory:77, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82, from fish.cpp:1: /usr/include/c++/11/bits/shared_ptr.h:488:5: note: candidate: 'template<class _Tp, class _Up> bool std::operator<(const std::shared_ptr<_Tp>&, const std::shared_ptr<_Tp>&)' 488 | operator<(const shared_ptr<_Tp>& __a, const shared_ptr<_Up>& __b) noexcept | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr.h:488:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::shared_ptr<_Tp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/memory:77, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82, from fish.cpp:1: /usr/include/c++/11/bits/shared_ptr.h:499:5: note: candidate: 'template<class _Tp> bool std::operator<(const std::shared_ptr<_Tp>&, std::nullptr_t)' 499 | operator<(const shared_ptr<_Tp>& __a, nullptr_t) noexcept | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr.h:499:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::shared_ptr<_Tp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/memory:77, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82, from fish.cpp:1: /usr/include/c++/11/bits/shared_ptr.h:508:5: note: candidate: 'template<class _Tp> bool std::operator<(std::nullptr_t, const std::shared_ptr<_Tp>&)' 508 | operator<(nullptr_t, const shared_ptr<_Tp>& __a) noexcept | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr.h:508:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'const std::pair<long long int, int>' is not derived from 'const std::shared_ptr<_Tp>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/queue:64, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:86, from fish.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: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::queue<_Tp, _Seq>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/set:61, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:87, from fish.cpp:1: /usr/include/c++/11/bits/stl_set.h:1023:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::set<_Key, _Compare, _Allocator>&, const std::set<_Key, _Compare, _Allocator>&)' 1023 | operator<(const set<_Key, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_set.h:1023:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::set<_Key, _Compare, _Allocator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/set:62, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:87, from fish.cpp:1: /usr/include/c++/11/bits/stl_multiset.h:1009:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::multiset<_Key, _Compare, _Allocator>&, const std::multiset<_Key, _Compare, _Allocator>&)' 1009 | operator<(const multiset<_Key, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_multiset.h:1009:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::multiset<_Key, _Compare, _Allocator>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/stack:61, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:89, from fish.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: In file included from /usr/include/c++/11/bits/stl_algobase.h:71, 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 fish.cpp:1: /usr/include/c++/11/bits/predefined_ops.h:69:22: note: 'std::pair<long long int, long long int>' is not derived from 'const std::stack<_Tp, _Seq>' 69 | { return *__it < __val; } | ~~~~~~^~~~~~~ In file included from /usr/include/c++/11/valarray:603, from /usr/include/x86_64-linux-gn