제출 #147519

#제출 시각아이디문제언어결과실행 시간메모리
147519ioilolcomArranging Shoes (IOI19_shoes)C++14
15 / 100
36 ms3192 KiB
#include<bits/stdc++.h>
using namespace std;
#include "shoes.h"
 
long long count_swaps(std::vector<int> s) {
	long long n = (int)s.size()/2;
 
	
	long long swaps = n*(n-1)/2;
   return swaps;
}
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