Cod sursa(job #1487853)
Utilizator | Data | 17 septembrie 2015 15:45:21 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include<iostream>
#include<fstream>
using namespace std;
unsigned long mod=1999999973;
int putere(long long x, long long p)
{
if(p==0) return 1;
long long aux=putere(x,p/2);
if(p%2==0) return aux*aux%mod;
return x*aux*aux%mod;
}
int main()
{
ifstream in("lgput.in");
long long n,p,y;
in>>n>>p;
y=putere(n,p);
ofstream out("lgput.out");
out<<y;
in.close();
out.close();
return 0;
}