Submission #319352

#	Time	Username	Problem	Language	Result	Execution time	Memory
319352		mglstew	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

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

vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<pair<int, int> > x;
	for(i = 0; i < w.size(); i++){
		x.push_back(make_pair(w[i], i));
	}
    sort(x.begin(), x.end());
    int n = x.size();
    int L = 0;
    int R = 0;
    long long sum = 0;
    vector<int> a;
    while(R < n){
    	sum += x[R].first;
    	while(sum > u && L <= R){
    		sum -= x[L].first;
    		L++;
    	}
    	if(sum >= 1){
    		for(int i = L; i <= R; i++){
    			a.push_back(w[i]);
    			break;
    		}
    	}
    	R++;
    }
    if(a.size() == 0){
    	a.push_back(0);
    }
    return a;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:7:6: error: 'i' was not declared in this scope
    7 |  for(i = 0; i < w.size(); i++){
      |      ^