제출 #751220

#제출 시각아이디문제언어결과실행 시간메모리
751220kusmetliqArranging Shoes (IOI19_shoes)C++14
45 / 100
23 ms3128 KiB
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s) {
    int n=s.size();
    int curcnt=0;
    long long ans=0;
    for(int i=0;i<s.size();i++) {
        if(s[i]<0) {
            ans+=abs(i-(curcnt*2));
            curcnt++;
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:8:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i=0;i<s.size();i++) {
      |                 ~^~~~~~~~~
shoes.cpp:5:9: warning: unused variable 'n' [-Wunused-variable]
    5 |     int n=s.size();
      |         ^
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