제출 #1019957

#제출 시각아이디문제언어결과실행 시간메모리
1019957nisanduuArranging Shoes (IOI19_shoes)C++14
50 / 100
1072 ms4032 KiB
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

long long count_swaps(std::vector<int> s) {
     vector<int> cr = s;
     long long ans = 0;
     long long n = cr.size();
     long long i=0;
     while(i<n){
       long long pos = 0;
       for(long long j=i+1;j<n;j++){
         if(cr[j]*-1 == cr[i]){
           pos=j;
           break;
         }
       }
       long long end = i;
       if(cr[i]<0){
           end = i+1;
       }
       //cout<<end<<endl;
       for(long long j=pos;j>end;j--){
           if(j-1 < end){
               break;
           }
           ans++;
           swap(cr[j],cr[j-1]);
       }
       i+=2;
     }
	return ans;
}
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