Submission #418485

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
418485	2021-06-05 11:58:23	Autumn	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1 ms	204 KiB

shoes

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