제출 #15847

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
15847	2015-07-31 02:03:41	ggoh	Wiring (kriii2_W)	C++98	4 / 4	0 ms	1084 KiB

P

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