제출 #1245123

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1245123		guanex	메기 농장 (IOI22_fish)	C++20	컴파일 에러	0 ms	0 KiB

fish

#include "fish.h"

#include <vector>

#include<bits/stdc++.h>
using namespace std;

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
  long long ans = 0;
  long long an = 0;
  vector<long long> suff(N+1, 0);
  vector<long long> pref = suff;
  vector<long long> preff = suff;
  vector<long long> suf = suff;
  for(int i = 0; i < (int)W.size(); ++i){
    if(X[i] == 0){
      ans += W[i];
      pref[i] = W[i];
      suff[i] = W[i];
    }else{
      an += W[i];
      preff[i] = W[i];
      suf[i] = W[i];
    }
  }
  long long mx = max(ans, an);
  for(int i = 1; i < N; ++i){
    pref[i] += pref[i-1];
    preff[i] += preff[i-1];
  }
  for(int i = N-2; i >= 0; --i){
    suff[i] += suff[i+1];
    suf[i] += suf[i+1];
  }
  for(int i = 0; i < N; ++i){
    mx = max(mx, pref[i], suf[i+1]);
    mx = max(mx, preff[i], suff[i+1]);
  }
  return mx;
}

컴파일 시 표준 에러 (stderr) 메시지

In file included from /usr/include/c++/11/vector:60,
                 from fish.h:1,
                 from fish.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
fish.cpp:37:13:   required from here
/usr/include/c++/11/bits/stl_algobase.h:303:17: error: '__comp' cannot be used as a function
  303 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~