Submission #19708

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19708	2016-02-25 04:49:02	joojis	괄호 (kriii4_R)	C++14	0 / 100	3 ms	3944 KiB

R

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#include <cstdio>
#include <vector>
#define MOD (1000000007)
int main ()
{
  int N, K;
  scanf("%d %d", &N, &K);
  std::vector<long long unsigned> A(N+1, 0);
  A[0] = 1;
  A[1] = K;
  for (int i=2; i<=N; i++) {
    A[i] = ((A[i-1]*K)%MOD + (A[i-2]*K)%MOD) % MOD;
  }
  printf("%llu\n", A[N]);
  return 0;
}
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 92