Submission #220616

#	Time	Username	Problem	Language	Result	Execution time	Memory
220616		super_j6	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	70 ms	5624 KiB

molecules

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
#define endl '\n'
#define pi pair<int, int>
#define f first
#define s second

const int maxn = 200000;
int n;
pi a[maxn];
vector<int> ans;

vector<int> find_subset(int l, int r, vector<int> v){
	n = v.size();
	for(int i = 0; i < n; i++) a[i] = {v[i], i};
	sort(a, a + n);
	
	for(long long i = 0, j = 0, s = 0; i < n; i++){
		s += a[i].f;
		while(j < i && s > r) s -= a[j++].f;
		if(l <= s && s <= r){
			for(int k = j; k <= i; k++) ans.push_back(a[k].s);
			return ans;
		}
	}
	
	return {};
}

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