Submission #19677

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19677	2016-02-25 04:27:56	onjo0127	괄호 (kriii4_R)	C++14	0 / 100	0 ms	8896 KiB

R

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#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;
}
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 92