제출 #19924

#제출 시각아이디문제언어결과실행 시간메모리
19924ilbbke동전 (kriii4_E)C++98
0 / 100
0 ms1084 KiB
#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;
	for(i=3;i<=n;i++) dy[i]=(dy[i-1]*2)%M;
	printf("%lld",dy[n]);
	return 0;
}
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