제출 #19818

#제출 시각아이디문제언어결과실행 시간메모리
19818ilbbke괄호 (kriii4_R)C++98
0 / 100
0 ms1084 KiB
#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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