Submission #19677

#	Time	Username	Problem	Language	Result	Execution time	Memory
19677		onjo0127	괄호 (kriii4_R)	C++14	0 / 100	0 ms	8896 KiB

R

#include<stdio.h>
#define N 1000000007
long long int dt[1000005];
int main()
{
	long long int a,b,z;
	scanf("%lld %lld",&a,&b);
	dt[1]=a;
	dt[2]=(a*a+a)%N;
	for(z=3;z<=b;z++)
		dt[z]=((dt[z-1]*a)%N+(dt[z-2]*a)%N)%N;
	printf("%d",dt[b]);
	return 0;
}

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