Submission #573030

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
573030	2022-06-05 16:23:35	sff_user	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1088 ms	1864 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h>
#define vi vector<int>
#define ll long long
using namespace std;
ll count_swaps(vector<int> s) {
  int n = s.size()/2;
  ll ans = 0;
  for(int i = 0 ;i < 2*n ; i++){
    for(int j = i+1;j < 2*n ; j++){
      if(s[j]+s[i] == 0){
        if(s[i]>0){
          ans+= j-i;
        }else {
          ans+=j-i-1;
        }
        s.erase(s.begin()+j);
        break;
      }
    }
  }
  return ans;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 20 / 20
• Subtask 6: 0 / 15