Cod sursa(job #297968)
| Utilizator |  FMI Dogan Adrian Ioan Lucian Tyber |
Data | 5 aprilie 2009 18:57:28 |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.31 kb |
#include<stdio.h>
#include<string.h>
int max=1001;
int m=2000000000;
int main(){
long long a,s,n,i,p;
freopen("lgput.in","r",stdin);
freopen("lgput.in","w",stdout);
scanf("%lld %lld",&n,&p);
a=n;
for(i=0;(1<<i)<=p;i++){
if(((1<<i)&p)>0)s=(s*a)%m;
a=(a*a)%m;}
printf("%lld\n",s);
return 0;}