Submission #19712

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19712	2016-02-25 04:52:07	jeapi	괄호 (kriii4_R)	C++98	0 / 100	0 ms	9528 KiB

R

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#include<iostream>
using namespace std;
typedef long long ll;
ll D[1000001];
int main() {
  ll N, K;
  cin >> N >> K;
  D[1] = K;
  for (int i = 2; i <= N; i++) {
    if (i % 2 == 0) {
      D[i] = (D[i - 1] + (D[i - 1] * K))%1000000007;
    }
    else
    {
      D[i] = (D[i - 1] * K)% 1000000007;
    }
  }
  cout << D[N] << endl;
}
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 92