Submission #556118

#	Time	Username	Problem	Language	Result	Execution time	Memory
556118		Trisanu_Das	Arranging Shoes (IOI19_shoes)	C++17	25 / 100	25 ms	1876 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
 
using namespace std;
 
long long count_swaps(vector<int> s) {
    long long n = s.size() / 2;
    if(n==1){
      long long  c=0;
      for(int i=0;i<(int)s.size()-1;i++){
          if(s[i]>s[i+1])c++;
      }
      return c;
    }
  	return (n * (n - 1)) / 2;
}

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