Submission #1201764

#	Time	Username	Problem	Language	Result	Execution time	Memory
1201764		noop	September (APIO24_september)	C++20	Compilation error	0 ms	0 KiB

september

#include <bits/stdc++.h>
using namespace std;
int solve(int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) {
  vector<int> g(N,0);
  vector<bool> s(N,0);
  vector<vector<int> > v(M,vector<int>(N));
  unordered_set<int> req;
  int ans=0,t=0,c,p;
  bool flag;
  for (int i=1; i<N; i++){
    g[F[i]]++;
  }
  for (int i=0; i<S[0].size(); i++){
    c=S[0][i];
    if (g[c]){
      t++;
      s[c]=1;
    }
    p=F[c];
    g[p]--;
    if (!g[p] and s[p]){
      t--;
      s[p]=0;
    }
    for (int r=0; r<M; r++){
      v[r][S[r][i]]++;
      req.insert(S[r][i]);
    }
    for (auto it=req.begin(); it!=req.end(); it++){
      flag=1;
      c=*it;
      for (int r=1; r<M; r++){
        if (v[r][c]!=v[0][c]){
          flag=0;
          break;
        }
      }
      if (flag){
        it=req.erase(find(c));
      }
    }
    if (!t and req.empty()){
      ans++;
    }
  }
  return ans;
}

Compilation message (stderr)

september.cpp: In function 'int solve(int, int, std::vector<int>, std::vector<std::vector<int> >)':
september.cpp:39:26: error: no matching function for call to 'find(int&)'
   39 |         it=req.erase(find(c));
      |                      ~~~~^~~
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 september.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3876:5: note: candidate: 'template<class _IIter, class _Tp> constexpr _IIter std::find(_IIter, _IIter, const _Tp&)'
 3876 |     find(_InputIterator __first, _InputIterator __last,
      |     ^~~~
/usr/include/c++/11/bits/stl_algo.h:3876:5: note:   template argument deduction/substitution failed:
september.cpp:39:26: note:   candidate expects 3 arguments, 1 provided
   39 |         it=req.erase(find(c));
      |                      ~~~~^~~
In file included from /usr/include/c++/11/bits/locale_facets.h:48,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 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 september.cpp:1:
/usr/include/c++/11/bits/streambuf_iterator.h:421:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)'
  421 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/11/bits/streambuf_iterator.h:421:5: note:   template argument deduction/substitution failed:
september.cpp:39:26: note:   mismatched types 'std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >' and 'int'
   39 |         it=req.erase(find(c));
      |                      ~~~~^~~
In file included from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from september.cpp:1:
/usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note: candidate: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
   60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~
/usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note:   template argument deduction/substitution failed:
september.cpp:39:26: note:   candidate expects 4 arguments, 1 provided
   39 |         it=req.erase(find(c));
      |                      ~~~~^~~