Submission #20122

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
20122	2016-02-26T06:25:44 Z	sys7961	괄호 (kriii4_R)	C++14	0 / 100	15 ms	8904 KB

R

#include<stdio.h>

long long dy[1001000];
long long m = 1000000007;

int main() {
	long long n, k;
	scanf("%lld%lld", &n, &k);
	dy[0] = 1;
	long long sum = 0;
	long long p = 0;
	for (int i = 0; i < n; i++) {
		dy[i + 1] = (dy[i] * k)%m;
		p += sum;
		p %= m;
		dy[i + 1] += p;
		dy[i + 1] % m;
		sum += dy[i + 1];
		sum %= m;
	}
	printf("%lld", dy[n]);
}

Subtask #1

0.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	15 ms	8904 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2

0.0 / 92.0

#	Verdict	Execution time	Memory	Grader output
1	Halted	0 ms	0 KB	-