| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1242394 | duhendorfus | Infinite Race (EGOI24_infiniterace2) | C++20 | Compilation error | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main(){
int n , q; cin >> n >> q;
vector <int> a(q); map <int , int> mp;
for (int i = 0 ; i < q ; ++i){
cin >> a[i];
if (mp[-a[i]] > 0 && a[i] < 0) mp[a[i]] = 0;
else ++mp[a[i]];
}
ll ans = 0;
for (int &u : a){
ans = max(ans , mp[u]);
}
cout << ans - 1 << "\n";
return 0;
}Compilation message (stderr)
Main.cpp: In function 'int main()':
Main.cpp:18:14: error: no matching function for call to 'max(ll&, std::map<int, int>::mapped_type&)'
18 | ans = max(ans , mp[u]);
| ~~~^~~~~~~~~~~~~
In file included 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_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
254 | max(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed:
Main.cpp:18:14: note: deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::map<int, int>::mapped_type' {aka 'int'})
18 | ans = max(ans , mp[u]);
| ~~~^~~~~~~~~~~~~
In file included 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_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
300 | max(const _Tp& __a, const _Tp& __b, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed:
Main.cpp:18:14: note: deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::map<int, int>::mapped_type' {aka 'int'})
18 | ans = max(ans , mp[u]);
| ~~~^~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
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/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
3461 | max(initializer_list<_Tp> __l)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: template argument deduction/substitution failed:
Main.cpp:18:14: note: mismatched types 'std::initializer_list<_Tp>' and 'long long int'
18 | ans = max(ans , mp[u]);
| ~~~^~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
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/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
3467 | max(initializer_list<_Tp> __l, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: template argument deduction/substitution failed:
Main.cpp:18:14: note: mismatched types 'std::initializer_list<_Tp>' and 'long long int'
18 | ans = max(ans , mp[u]);
| ~~~^~~~~~~~~~~~~