제출 #549658

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
549658		tabr	친구 (IOI14_friend)	C++17	컴파일 에러	0 ms	0 KiB

friend

#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

int findSample(int n, int c[], int h[], int p[]) {
    return accumulate(c + 1, c + n);
}

#ifdef tabr
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    return 0;
}
#endif

컴파일 시 표준 에러 (stderr) 메시지

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:10:35: error: no matching function for call to 'accumulate(int*, int*)'
   10 |     return accumulate(c + 1, c + n);
      |                                   ^
In file included from /usr/include/c++/10/numeric:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:84,
                 from friend.cpp:1:
/usr/include/c++/10/bits/stl_numeric.h:134:5: note: candidate: 'template<class _InputIterator, class _Tp> _Tp std::accumulate(_InputIterator, _InputIterator, _Tp)'
  134 |     accumulate(_InputIterator __first, _InputIterator __last, _Tp __init)
      |     ^~~~~~~~~~
/usr/include/c++/10/bits/stl_numeric.h:134:5: note:   template argument deduction/substitution failed:
friend.cpp:10:35: note:   candidate expects 3 arguments, 2 provided
   10 |     return accumulate(c + 1, c + n);
      |                                   ^
In file included from /usr/include/c++/10/numeric:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:84,
                 from friend.cpp:1:
/usr/include/c++/10/bits/stl_numeric.h:161:5: note: candidate: 'template<class _InputIterator, class _Tp, class _BinaryOperation> _Tp std::accumulate(_InputIterator, _InputIterator, _Tp, _BinaryOperation)'
  161 |     accumulate(_InputIterator __first, _InputIterator __last, _Tp __init,
      |     ^~~~~~~~~~
/usr/include/c++/10/bits/stl_numeric.h:161:5: note:   template argument deduction/substitution failed:
friend.cpp:10:35: note:   candidate expects 4 arguments, 2 provided
   10 |     return accumulate(c + 1, c + n);
      |                                   ^