Submission #19818

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19818	2016-02-25 05:55:11	ilbbke	괄호 (kriii4_R)	C++98	0 / 100	0 ms	1084 KiB

R

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#include<stdio.h>
int main()
{
    int n,k;
    long long D[5];
    scanf("%d%d",&n,&k);
    D[0]=1, D[1]=k;
    for(int i=2; i<=n; i++) D[i%3]=((D[(i-1)%3]+D[(i-2)%3])*k)%1000000007;
    printf("%lld\n",D[n%3]);
    return 0;
}
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 92