Submission #1207798

#	Time	Username	Problem	Language	Result	Execution time	Memory
1207798		ansori	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	3656 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
#define se second
#define fi first
#define ll long long
using namespace std;

std::vector<int> find_subset(int f, int u, std::vector<int> w) {
	ll n = w.size();
	vector<pair<int , int>> p(n);
	for(int i = 0;i < n; ++ i) p[i] = {w[i] , i};
	sort(p.begin() , p.end());
	ll sm = 0 , r = 0;
	for(ll l = 0;l < n; ++ l){
		r = max(r , l);
		while(r < n and sm + p[r].fi <= u){
			sm += p[r].fi;
			r ++;
		}
		if(sm >= f){
			vector<int> ans;
			for(int i = l;i < r; ++ i) ans.push_back(p[i].se);
			return ans;
		}
		if(r > l) sm -= p[l].fi;
	}
	return {};	
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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