Submission #855171

#	Time	Username	Problem	Language	Result	Execution time	Memory
855171		Huseyn123	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	50 ms	17236 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
#define pb push_back
#define mp make_pair 
#define INF LLONG_MAX
using namespace std; 
typedef long long ll; 
typedef pair<ll,ll> pll; 
vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<int> c;
	vector<pair<ll,ll>> d;
	vector<ll> e; 
	vector<pair<ll,ll>> e1;
	int n=w.size(); 
	e.resize(n+1,0);
	for(int i=0;i<n;i++){
		d.pb(mp(w[i],(ll)i));
	}
	sort(d.begin(),d.end());
	for(int i=1;i<=n;i++){
		e[i]=e[i-1]+d[i-1].first;
	}
	e1.pb(mp((ll)0,(ll)0));
	for(int i=1;i<=n;i++){
		auto it=upper_bound(e1.begin(),e1.end(),mp(e[i]-l,INF));
		if(it!=e1.begin()){
			--it;
			pll p=*it; 
			if(e[i]-p.first<=u){
				for(int j=p.second;j<i;j++){
					c.pb(d[j].second);
				}
				break;
			}
		}
		e1.pb(mp(e[i],(ll)i));
	}
	sort(c.begin(),c.end());
    return c;
}

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