Submission #139280

#	Time	Username	Problem	Language	Result	Execution time	Memory
139280		cfalas	Detecting Molecules (IOI16_molecules)	C++14	69 / 100	1079 ms	4460 KiB

molecules

#include<bits/stdc++.h>
using namespace std;
#include "molecules.h"
typedef pair<int, int> ii;
#define S second
#define F first

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<ii> a;
	int n = w.size();
	for(int i=0;i<n;i++) a.push_back(ii(w[i], i));
	sort(a.begin(), a.end());
	for(int i=1;i<=n;i++){
		int tot = 0;
		for(int j=0;j<i;j++){
			tot+=a[j].F;
		}
		for(int j=i;j<n;j++){
			if(tot>=l && tot<=u){
				vector<int> res;
				for(int k=j-i;k<j;k++) res.push_back(a[k].S);
				return res;
			}
			tot-=a[j-i].F;
			tot+=a[j].F;
		}
		if(tot>=l && tot<=u){
			vector<int> res;
			for(int k=n-i;k<n;k++) res.push_back(a[k].S);
			return res;
		}
	}
	return vector<int>();
}

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 0 / 31