Submission #15733

#	Time	Username	Problem	Language	Result	Execution time	Memory
15733		gs14004	Wiring (kriii2_W)	C++14	4 / 4	0 ms	1084 KiB

P

#include <cstdio>
#include <algorithm>
#include <cstdlib>
#include <cstring>
#include <queue>
#include <vector>
using namespace std;
typedef long long lint;

lint x;

int main(){
	scanf("%lld",&x);
	printf("%lld",(x % 2) ? (x / 2) : (x-1));
}

• Subtask 1: 1 / 1
• Subtask 2: 3 / 3