Submission #1282039

#	Time	Username	Problem	Language	Result	Execution time	Memory
1282039		rira	Festival (IOI25_festival)	C++20	Compilation error	0 ms	0 KiB

festival

#include "festival.h"
#include<bits/stdc++.h>
#include <cassert>
#include <cstdio>
using namespace std;
int main() {
  int N, A;
  assert(2 == scanf("%d %d", &N, &A));
  std::vector<int> P(N), T(N);
  for (int i = 0; i < N; i++)
    assert(2 == scanf("%d %d", &P[i], &T[i]));
  fclose(stdin);

  std::vector<int> R = max_coupons(A, P, T);

  int S = R.size();
  printf("%d\n", S);
  for (int i = 0; i < S; i++)
    printf("%s%d", (i == 0 ? "" : " "), R[i]);
  printf("\n");
  fclose(stdout);

  return 0;
}
std::vector<int> max_coupons(int A, std::vector<int> P, std::vector<int> T) {
	
	vector<int> ans,g=P;
	int l=A;
	int n=g.size();
	pair<int,int> k[n];
	for(int i=0;i<n;i++){
		k[i]={g[i],i};
	}
	sort(k.begin(),k.end());
	int i=0;
	while(k[i].first<=l&&i<n){
		l-=k[i].first;
		ans.push_back(k[i].second);
	}
	return ans;
}

Compilation message (stderr)

festival.cpp: In function 'std::vector<int> max_coupons(int, std::vector<int>, std::vector<int>)':
festival.cpp:34:16: error: request for member 'begin' in 'k', which is of non-class type 'std::pair<int, int> [n]'
   34 |         sort(k.begin(),k.end());
      |                ^~~~~
festival.cpp:34:26: error: request for member 'end' in 'k', which is of non-class type 'std::pair<int, int> [n]'
   34 |         sort(k.begin(),k.end());
      |                          ^~~