제출 #751335

#제출 시각아이디문제언어결과실행 시간메모리
751335kusmetliqArranging Shoes (IOI19_shoes)C++14
10 / 100
1084 ms3916 KiB
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s) {
    deque<int>a;for(int i:s)a.push_back(i);
    long long ans=0;
    while(a.size()>0) {
        int ind=-1;
        for(int i=0;i<a.size();i++) {
            if(a[i]<0) {
                ind=i;
                break;
            }
        }
        ans+=ind;
        int v=-a[ind];
        a.erase(a.begin()+ind);
        int c=find(a.begin(),a.end(),v)-a.begin();
        ans+=c;
        a.erase(a.begin()+c);
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:9:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |         for(int i=0;i<a.size();i++) {
      |                     ~^~~~~~~~~
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