Submission #1019945

#	Time	Username	Problem	Language	Result	Execution time	Memory
1019945		nisanduu	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1 ms	348 KiB

shoes

#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;
         }
       }
       //cout<<pos<<endl;
       long long end = i;
       ans += (pos - i - 1);
       if(cr[i]<0){
           end = i+1;
       }else{
           ans++;
       }
       for(long long j=pos;j>=1;j--){
           if(j-1 == end){
               break;
           }
           swap(cr[j],cr[j-1]);
       }
       i+=2;
     }
	return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15