Submission #961209

#	Time	Username	Problem	Language	Result	Execution time	Memory
961209		raspy	Detecting Molecules (IOI16_molecules)	C++14	9 / 100	1 ms	600 KiB

molecules

#include "molecules.h"
#include <iostream>
#include <algorithm>

using namespace std;

vector<int> find_subset(int l, int u, vector<int> w)
{
	sort(w.begin(), w.end());
	int lf = 0, rg = 0;
	int trs = 0;
	while (rg <= w.size() && (lf < rg || rg == 0))
	{
		// cout << lf << " " << rg << " " << trs << "\n";
		if (trs > u)
		{
			trs -= w[lf];
			lf++;
		}
		else if (trs < l)
		{
			trs += w[rg];
			rg++;
		}
		else
		{
			vector<int> rez;
			for (int i = lf; i < rg; i++)
				rez.push_back(i);
			return rez;
		}
	}
	return vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:12:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  while (rg <= w.size() && (lf < rg || rg == 0))
      |         ~~~^~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31