Submission #1264299

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264299		liangjeremy	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
#define fi first
#define se second
//#define int long long
using namespace std;
using db=double;
using ll=int64_t;
using sll=__int128;
using lb=long double;

int find_subset(int l, int r, vector<int>w){
	int n=w.size(); vector<pair<int,int>>a(n);
	for(int i=0; i<n; i++)a[i]={w[i],i};
	sort(a.begin(),a.end()); ll sum=0; int ridx=0;
	for(int i=0; i<n; i++){
		if(sum<l && ridx<n){
			sum+=a[ridx].fi; ridx++;
		}
		if(sum>=l && sum<=r){
			vector<int>ans;
			for(int j=i; j<=ridx; j++)ans.push_back(j);
			return ans;
		}
	}
	return vector<int>(); 
}

Compilation message (stderr)

molecules.cpp: In function 'int find_subset(int, int, std::vector<int>)':
molecules.cpp:22:32: error: cannot convert 'std::vector<int>' to 'int' in return
   22 |                         return ans;
      |                                ^~~
molecules.cpp:25:16: error: cannot convert 'std::vector<int>' to 'int' in return
   25 |         return vector<int>();
      |                ^~~~~~~~~~~~~
      |                |
      |                std::vector<int>
molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~