Cod sursa(job #660958)
Utilizator | heghedus razvan raazvvann | Data | 13 ianuarie 2012 15:27:30 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <fstream>
using namespace std;
long long n,p;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long putere(long long n,long long p )
{
long long r;
if(p==0) return 1;
if(p%2==1) return(n*putere(n,p-1))%1999999973;
if(p%2==0) {r=putere(n,p/2);return(r*r)%1999999973;}
}
int main()
{
f>>n>>p;
g<<putere(n,p)%1999999973;
}