Submission #718802

#	Time	Username	Problem	Language	Result	Execution time	Memory
718802		Yell0	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	25 ms	3124 KiB

shoes

#include <bits/stdc++.h>
 
using namespace std;
typedef long long ll;

ll count_swaps(vector<int> S) {
  ll N=S.size()/2,ans=0;
  for(ll i=1;i<N;++i) ans+=i;
  return ans;
}

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