Cod sursa(job #1369902)
Utilizator | Data | 3 martie 2015 12:03:39 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <cstdio>
using namespace std;
long long n,p;
long long pow(int n,int p)
{
int i,a,sol=1;
a=n;
for(i=0;(1<<i)<=p;i++)
{
if((1<<i)&p)
sol=(sol*a)%1999999973;
a=(a*a)%1999999973;
}
return sol;
}
int main()
{
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%lld %lld",&n,&p);
printf("%lld",pow(n,p));
return 0;
}