Cod sursa(job #153150)
| Utilizator | Data | 10 martie 2008 10:36:59 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.39 kb |
#include<stdio.h>
long long n,p,x;
long long log(long long n, long long p)
{ if(p==1) return n;
else if(p%2==0) return (((log(n,p/2)%x)*(log(n,p/2)%x))%x);
else return (((log(n,p/2)%x)*(log(n,p/2)%x)*n)%x);
}
int main()
{ freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%lld%lld",&n,&p);
x=1999999973;
printf("%lld",log(n,p));
fcloseall();
return 0;
}