제출 #196969

#제출 시각아이디문제언어결과실행 시간메모리
196969BasilhijazArranging Shoes (IOI19_shoes)C++14
10 / 100
3 ms376 KiB
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
    int cnt = 0; long long swaps = 0;
    for(int i = 0; i < s.size(); i++){
        if(s[i] < 0){
            swaps += i - (cnt * 2);
            cnt++;
        }
    }
	return swaps;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:6:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < s.size(); i++){
                    ~~^~~~~~~~~~
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