Submission #112334

#	Time	Username	Problem	Language	Result	Execution time	Memory
112334		ioilolcom	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	54 ms	4212 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
#define x first
#define y second
#define ll long long int
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<pair<int,int> > ww;
	for(int i=0; i<(int)w.size(); i++) {
		ww.push_back({w[i],i});
	}
	sort(ww.begin(),ww.end());
	vector<int> ans;
	int a=0;
	int r=0;
	int n=(int)w.size();
	ll sum=0;
	while(r<n&&a<n) {
		sum+=ww[r].x;
		//cout<<sum<<endl;
		while(sum>u) {
			sum-=ww[a].x;
			a++;
		}
		if(sum>=l&&sum<=u) {
			for(int i=a; i<=r; i++) {
				ans.push_back(ww[i].y);
			}
			return ans;
		}
		r++;
	}
	return std::vector<int>(0);
}

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 31 / 31