Submission #1199692

#	Time	Username	Problem	Language	Result	Execution time	Memory
1199692		lufychop20171	Detecting Molecules (IOI16_molecules)	C++20	0 / 100	0 ms	324 KiB

molecules

#include <bits/stdc++.h>

using namespace std;

vector<int> find_subset(int l,int u,vector<int> w)
{
	int n=w.size(),j=0,vb;
	long long sum=0;
	vector<int> ans;
	vector<int> v;
	vector<pair<int,int>> w2;
	for(int i=0;i<n;i++)
	{
		w2.push_back({w[i],i});
	}
	sort(w2.begin(),w2.end());
	for(int i=0;i<n;i++)
	{
		if(sum+w2[i].first>l)
		{
			break;
		}
		sum=sum+w2[i].first;
		v.push_back(i);
		vb=i;
		j++;
	}
	for(int i=n-1;i>=vb && j<v.size();i--)
	{
		sum=sum-w2[v[j]].first+w2[i].first;
		v[j]=i;
		j++;
		if(sum>=l)
		{
			for(int k=0;k<v.size();k++)
			{
				ans.push_back(w2[v[k]].second);
			}
			sort(ans.begin(),ans.end());
			return ans;
		}
	}
    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: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31