제출 #19865

#제출 시각아이디문제언어결과실행 시간메모리
19865ilbbke괄호 (kriii4_R)C++98
0 / 100
5 ms8896 KiB
#include<stdio.h> long long D[1000003]; int main() { int n,k; scanf("%d%d",&n,&k); D[0]=1, D[1]=k; for(int i=2; i<=n; i++){ D[i]=((D[i-1]+D[i-2])*k)%1000000007; if(i&1) D[i]=((D[i]+D[i/2])*k)%1000000007; } printf("%lld\n",D[n]); return 0; }
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