제출 #8401

#제출 시각아이디문제언어결과실행 시간메모리
8401aintaWiring (kriii2_W)C++98
1 / 4
0 ms1088 KiB
#include<stdio.h>
int n;
int main()
{
	scanf("%d", &n);
	if (n & 1)n >>= 1;
	else n--;
	printf("%d\n", n);
}
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