Submission #147398

#	Time	Username	Problem	Language	Result	Execution time	Memory
147398		mosiashvililuka	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	34 ms	3448 KiB

shoes

#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,f[200009];
long long count_swaps(vector <int> S){
a=S.size();
	for(b=1; b<=a; b++) f[b]=S[b-1];
	if(a==2){
	if(f[1]<0) return 0LL; else return 1LL;
	}else{
      a/=2;
		return (a-1)*a/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