Cod sursa(job #1691644)
| Utilizator | Data | 19 aprilie 2016 00:22:41 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.4 kb |
#include<fstream>
using namespace std;
ifstream fi("lgput.in");
ofstream fo("lgput.out");
long long int power(long long int x,long long int n){
long long int p=1;
for(int i=0;(1<<i)<=n;++i)
{
if(((1<<i)&n)>0)
p=(p*x)%1999999973;
x=x*x%1999999973;
}
return p;
}
int main(){
long long int n;
long long int x;
fi>>n;
fi>>x;
fo<<power(x,n);
return 0;
}
