제출 #1135256

#제출 시각아이디문제언어결과실행 시간메모리
1135256vibeduckArranging Shoes (IOI19_shoes)C++20
0 / 100
12 ms1860 KiB
#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	int n = (int)s.size()/2;
	long long x = (n - 1) * (n) / 2;
	return x;
}
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