Submission #1242394

#TimeUsernameProblemLanguageResultExecution timeMemory
1242394duhendorfusInfinite Race (EGOI24_infiniterace2)C++20
Compilation error
0 ms0 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]);
      |           ~~~^~~~~~~~~~~~~