제출 #19775

#제출 시각아이디문제언어결과실행 시간메모리
19775willbelucky괄호 (kriii4_R)C++98
0 / 100
3 ms1716 KiB
#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] << endl; return 0; }
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