Submission #1196109

#	Time	Username	Problem	Language	Result	Execution time	Memory
1196109		ahmetlbktd4	Detecting Molecules (IOI16_molecules)	C++20	0 / 100	1096 ms	320 KiB

molecules

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

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector<int>in;
    for (int i = 0;i < n;i++){
    	in.push_back(i);
	}
	sort(in.begin(),in.end(),[&](int a,int b){
		return (w[a] < w[b]);
	});
	vector <ll> h(n+1);
	h[n] = 0;
	for (int i = n-1;i >= 0;i--){
		h[i] = h[i+1]+w[in[i]];
	}
	ll s = 0;
	for (int i = 0;i < n;i++){
		if (s > u)
		break;
		if (s >= l){
			vector<int>p;
			for (int j = 0;j < i;j++){
				p.push_back(in[j]);
			}
			return p;
		}
		int l1=i,r=n-1;
		while (l1 <= r){
			int m = (l+r)/2;
			ll k = s+h[m];
			if (k <= u && k >= l){
				vector<int>p;
				for (int j = 0;j < i;j++){
					p.push_back(in[j]);
				}
				for (int j = m;j < n;j++){
					p.push_back(in[j]);
				}
				return p;
			}
			if (k > u)
			l1 = m+1;
			else r = m-1; 
		}
		s+=w[in[i]];
	}
	return vector<int>{};
}

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