Submission #19917

#	Time	Username	Problem	Language	Result	Execution time	Memory
19917		ilbbke	동전 (kriii4_E)	C++98	0 / 100	0 ms	1084 KiB

D

#include<stdio.h>

int main()
{
  int n;
  long long ans=1;
  scanf("%d",&n);
  if(n==1) n=0;
  else n-=2;
  for(int i=1; i<=n; i++) ans=ans*2%1000000007;
  printf("%lld\n",ans);
  return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95