제출 #291313

#제출 시각아이디문제언어결과실행 시간메모리
291313juggernautArranging Shoes (IOI19_shoes)C++14
10 / 100
1 ms384 KiB
#include<bits/stdc++.h>
#include"shoes.h"
using namespace std;
typedef long long int ll;
long long count_swaps(vector<int>v){
    ll cnt=0,q=0;
    for(int i=0;i<v.size();i++)
        if(v[i]<0){
            cnt+=i-q;
            q+=2;
        }
    return cnt;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~
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