Submission #19931

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19931	2016-02-25 07:22:37	ilbbke	동전 (kriii4_E)	C++98	0 / 100	0 ms	1084 KiB

D

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#include<stdio.h>
#define M 1000000007
int n;
long long dy[255];
int main()
{
  scanf("%d",&n);
  dy[1]=1; dy[2]=1;
  int i,j;
  for(i=3;i<=n;i++){
    for(j=i-2;j>=1;j--){
      dy[i]=(dy[i]+dy[j]*2%M)%M;
    }
  }
  printf("%lld",dy[n]);
  return 0;
}
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 95