Submission #19714

#	Time	Username	Problem	Language	Result	Execution time	Memory
19714		willbelucky	괄호 (kriii4_R)	C++98	0 / 100	8 ms	1716 KiB

R

#include <iostream>
using namespace std;

int main()
{
	for (int cases = 0; cases < 3; cases++)
	{
		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;
	}
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 92