제출 #382396

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
382396		Trunkty	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	136 ms	15000 KiB

molecules

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
long long sum=0;

vector<int> find_subset(int li, int ui, vector<int> wi){
	long long l=li,u=ui;
	vector<vector<long long>> w={};
	for(int i=0;i<wi.size();i++){
		w.push_back({wi[i],i});
	}
	sort(w.begin(),w.end());
	long long lef=0,rit=-1;
	while(rit!=w.size()-1){
		rit++;
		sum += w[rit][0];
		while(sum>u){
			sum -= w[lef][0];
			lef++;
		}
		if(sum<=u and sum>=l){
			vector<int> a = {};
			for(int i=lef;i<=rit;i++){
				a.push_back(w[i][1]);
			}
			return a;
		}
	}
	return {};
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for(int i=0;i<wi.size();i++){
      |              ~^~~~~~~~~~
molecules.cpp:15:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  while(rit!=w.size()-1){
      |        ~~~^~~~~~~~~~~~

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