제출 #16522

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
16522	2015-08-27 02:26:51	hongjun7	Wiring (kriii2_W)	C++98	4 / 4	0 ms	1084 KiB

P

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#include <stdio.h>
long long n;
int main() {
  scanf("%lld", &n);
  if (n & 1) printf("%lld", n / 2);
  else printf("%lld", n - 1);
}
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 3 / 3