Submission #956143

#	Time	Username	Problem	Language	Result	Execution time	Memory
956143		manishjha91	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	39 ms	6352 KiB

molecules

#pragma once

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

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	
	std::vector<std::pair<int,int>> curr;
	
	for(int i=0; i<w.size(); i++)
	{
		curr.push_back({w[i],i});
	}
	
	sort(curr.begin(),curr.end());
	
	long long sum = 0;
	bool found = 0;
	int low = 0;
	int hi = 0;
	for(; hi<curr.size(); hi++)
	{
		sum+=curr[hi].first;
		
		while(sum>u)
		{
			sum-=curr[low++].first;
		}
		
		if(sum>=l)
		{
			found = 1;
			break;
		}
	}
	
	if(!found)
	    return std::vector<int>(0);
	    
	std::vector<int> res;
	for(int i=low; i<=hi; i++)
	{
		res.push_back(curr[i].second);
	}
	
	sort(res.begin(),res.end());
	return res;
}

Compilation message (stderr)

molecules.cpp:2:9: warning: #pragma once in main file
    2 | #pragma once
      |         ^~~~
molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:11:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |  for(int i=0; i<w.size(); i++)
      |               ~^~~~~~~~~
molecules.cpp:22:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |  for(; hi<curr.size(); hi++)
      |        ~~^~~~~~~~~~~~

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