Submission #919644

#	Time	Username	Problem	Language	Result	Execution time	Memory
919644		Nurislam	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
vector<int> find_subset(int l, int u, vector<int> w) {
	int n = w.size();
	pair<int,int> rw[n];
	for(int i = 0; i < n; i++)rw[i] = {w[i], i};
	sort(rw, rw+n);
	long long s = 0, sum = 0;
	vector<int> ans;
	for(int i = 0; i < n; i++){
		sum+=rw[i].first;
		while(sum > u)sum-=rw[s++].first;
		if(sum >= l){
			for(int j = s; j <= i; j++)ans+=rw[i].second;
			return ans;
		}
	}
	return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:17:34: error: no match for 'operator+=' (operand types are 'std::vector<int>' and 'int')
   17 |    for(int j = s; j <= i; j++)ans+=rw[i].second;
      |                               ~~~^~~~~~~~~~~~~~