Submission #48980

#	Time	Username	Problem	Language	Result	Execution time	Memory
48980		Namnamseo	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	87 ms	32812 KiB

molecules

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

typedef pair<int,int> pp;
pp d[200010];
using ll=long long;
ll ps[200010];

vector<int> find_subset(int l, int u, vector<int> w) {
	int n = w.size();
	for(int i=0; i<n; ++i){
		d[i]={w[i], i};
	}
	sort(d, d+n);
	for(int i=0; i<n; ++i) ps[i+1]=ps[i]+d[i].first;
	for(int i=1; i<=n; ++i){
		int lp=lower_bound(ps, ps+i, ps[i]-u)-ps;
		if(ps[i]-ps[lp] >= l){
			vector<int> ret;
			for(int j=lp+1; j<=i; ++j) ret.push_back(d[j-1].second);
			return ret;
		}
	}
	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: 31 / 31