Cod sursa(job #1487862)
Utilizator | Data | 17 septembrie 2015 15:50:23 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <iostream>
using namespace std;
#include<fstream>
long long mod=1999999973;
ifstream f("lgput.in");
ofstream g("lgput.out");
int putere(int x,int p)
{
if(p==0)
return 1;
long long aux=putere(x,p/2);
if(p%2==0)
return aux*aux%mod;
return ((x*aux)%mod)*aux%mod;
}
int main()
{
long long a,p,nr;
f>>a>>p;
nr=putere(a,p);
g<<nr;
return 0;
}