Cod sursa(job #279261)
Utilizator | Data | 12 martie 2009 19:00:39 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.34 kb |
#include<fstream.h>
const int m=1999999973;
unsigned int i,n,p;
long long a,sol=1;
void citire()
{ ifstream in("lgput.in");
in>>n>>p;
in.close();
}
int main()
{ citire();
ofstream out("lgput.out");
a=n;
for(i=0;(1<<i)<=p;i++)
{ if(((1<<i) & p)>0)
sol=(sol*a)%m;
a=(a*a)%m;
}
out<<sol;
out.close();
return 0;
}