| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1010284 | overwatch9 | Shortcut (IOI16_shortcut) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "shortcut.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
vector <vector <pair <int, int>>> adj;
int N;
pair <int, ll> dijkstra(int s) {
priority_queue <pair <ll, int>> pq;
vector <ll> dis(N+1, 1e17);
vector <bool> processed(N+1);
dis[s] = 0;
pq.push({0, s});
int node = 0;
ll mx = 0;
while (!pq.empty()) {
s = pq.top().second;
pq.pop();
if (processed[s])
continue;
processed[s] = true;
if (mx < dis[s]) {
mx = dis[s];
node = s;
}
for (auto i : adj[s]) {
if (dis[i.first] > dis[s] + i.second) {
dis[i.first] = dis[s] + i.second;
pq.push({-dis[i.first], i.first});
}
}
}
return {node, mx};
}
ll find_shortcut(int n, vector<int> l, vector<int> d, int c)
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
adj.resize(n * 2 + 5);
for (int i = 0; i+1 < n; i++) {
adj[i].push_back({i+1, l[i]});
adj[i+1].push_back({i, l[i]});
}
int ogn = n;
for (int i = 0; i < ogn; i++) {
if (d[i] == 0)
continue;
adj[i].push_back({n, d[i]});
adj[n].push_back({i, d[i]});
n++;
}
N = n;
ll ans = 0;
for (int i = 0; i < n; i++) {
pair <int, ll> res = dijkstra(i);
ans = max(ans, res.second);
}
for (int i = 0; i < ogn; i++) {
for (int j = i+1; j < ogn; j++) {
adj[i].push_back({j, c});
adj[j].push_back({i, c});
ll tp = 0;
vector <pair <int, ll>> d_res(n+1, {-1, -1});
for (int k = 0; k < n; k++) {
pair <int, ll> res;
if (d_res[k].first != -1)
res = d_res[k];
else {
res = dijkstra(k);
d_res[k] = res;
}
if (d_res[res.first] != -1)
tp = max(tp, d_res[res.first].second);
else {
d_res[res.first] = dijkstra(res.first);
tp = max(tp, d_res[res.first]);
}
}
ans = min(ans, tp);
adj[i].pop_back();
adj[j].pop_back();
}
}
return ans;
}
// int main() {
// int n;
// cin >> n;
// vector <int> l(n), d(n);
// for (int i = 0; i < n-1; i++)
// cin >> l[i];
// for (int i = 0; i < n; i++)
// cin >> d[i];
// int c;
// cin >> c;
// cout << find_shortcut(n, l, d, c) << '\n';
// }
Compilation message (stderr)
shortcut.cpp: In function 'll find_shortcut(int, std::vector<int>, std::vector<int>, int)':
shortcut.cpp:72:38: error: no match for 'operator!=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} and 'int')
72 | if (d_res[res.first] != -1)
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:1064:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1064 | operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1064:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:1144:5: 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>&)'
1144 | operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1144:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:1237:5: 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>&)'
1237 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1237:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:1311:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1311 | operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1311:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:1405:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1405 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1405:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:1479:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1479 | operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1479:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:1579:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1579 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1579:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from shortcut.cpp:2:
/usr/include/c++/10/bits/regex.h:2126:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator!=(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)'
2126 | operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2126:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/vector:60,
from shortcut.h:2,
from shortcut.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:496:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
496 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:496:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: mismatched types 'const std::pair<_T1, _T2>' and 'int'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from shortcut.h:2,
from shortcut.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
372 | operator!=(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from shortcut.h:2,
from shortcut.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
410 | operator!=(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from shortcut.h:2,
from shortcut.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1444 | operator!=(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::move_iterator<_IteratorL>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from shortcut.h:2,
from shortcut.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1501 | operator!=(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::move_iterator<_IteratorL>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/vector:64,
from shortcut.h:2,
from shortcut.cpp:1:
/usr/include/c++/10/bits/allocator.h:213:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const std::allocator<_Tp1>&, const std::allocator<_T2>&)'
213 | operator!=(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:213:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::allocator<_Tp1>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/vector:67,
from shortcut.h:2,
from shortcut.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1937:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator!=(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)'
1937 | operator!=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1937:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::vector<_Tp, _Alloc>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/iosfwd:40,
from /usr/include/c++/10/ios:38,
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 shortcut.cpp:2:
/usr/include/c++/10/bits/postypes.h:227:5: note: candidate: 'template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
227 | operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/postypes.h:227:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, long long int> >, std::pair<int, long long int> >::value_type' {aka 'std::pair<int, long long int>'} is not derived from 'const std::fpos<_StateT>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
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 shortcut.cpp:2:
/usr/include/c++/10/string_view:525:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
525 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:525:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: 'std::pair<int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
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 shortcut.cpp:2:
/usr/include/c++/10/string_view:531:5: 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> >)'
531 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:531:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: 'std::pair<int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
72 | if (d_res[res.first] != -1)
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
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 shortcut.cpp:2:
/usr/include/c++/10/string_view:538:5: 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>)'
538 | operator!=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:538:5: note: template argument deduction/substitution failed:
shortcut.cpp:72:42: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
72 | if (d