Cod sursa(job #669163)

Utilizator popacamilpopa camil popacamil Data 26 ianuarie 2012 11:28:21
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<cstdio>
using namespace std;
long long int n,p,sol,i,a;
const long long int mod=1999999973;
int main(){
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%lld%lld",&n,&p);
	sol=1;
	a=n;
	for(i=0;(1<<i)<=p;++i){
		if(((1<<i)&p)>0){
			sol=(sol*a)%mod;
		}
		a=(a*a)%mod;
	}
	printf("%lld",sol);
	return 0;
}