Submission #380450

#	Time	Username	Problem	Language	Result	Execution time	Memory
380450		saarang123	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	66 ms	8412 KiB

molecules

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

vector<int> find_subset(int l, int r, vector<int> w) {
	using ll = long long;
	vector<array<ll, 2>> a;
	for(int i = 0; i < w.size(); i++)
		a.push_back({w[i], i});
	sort(a.begin(), a.end());
	vector<int> ans;
	int j = 0, n = a.size();
	ll sum = 0;
	for(int i = 0; i < n; i++) {
		while(j < n && sum < l)
			sum += a[j++][0];
		if(l <= sum && sum <= r) {
			for(int k = i; k < j; k++)
				ans.push_back(a[k][1]);
			return ans;
		}
		sum -= a[i][0];
	}
	return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |  for(int i = 0; i < w.size(); i++)
      |                 ~~^~~~~~~~~~

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