Cod sursa(job #914688)
Utilizator | Igna Bogdan Bodi | Data | 14 martie 2013 12:50:11 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <iostream>
#include <fstream>
using namespace std;
long long n,p,x;
int putere(int n, int p)
{
if(p==1)return n;
else
{
if(p%2==1)return n*putere(n*n,(p-1)/2);
else return putere(n*n,p/2);
}
}
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
fin>>n>>p;
x=putere(n,p);
fout<<x%1999999973;
fin.close();
fout.close();
return 0;
}