Submission #19737

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19737	2016-02-25 05:07:26	willbelucky	괄호 (kriii4_R)	C++98	0 / 100	0 ms	1716 KiB

R

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#include <iostream>
using namespace std;
int main()
{
  int N, K;
  cin >> N >> K;
  int cache[4];
  cache[0] = 1;
  cache[1] = K;
  for (int iter = 2; iter < N+1; iter++)
  {
    cache[iter&3] = ((cache[(iter - 2)&3] + cache[(iter - 1)&3])*K % 1000000007);
  }
  cout << cache[N&3];
}
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 92