제출 #961210

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
961210		raspy	Detecting Molecules (IOI16_molecules)	C++14	9 / 100	1 ms	348 KiB

molecules

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

using namespace std;
typedef long long ll;

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

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:12: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  while (rg <= w.size() && (lf < rg || rg == 0))
      |         ~~~^~~~~~~~~~~

• Subtask 1: 9 / 9
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