Cod sursa(job #1984679)
Utilizator | Data | 25 mai 2017 17:45:23 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int putere(int a,int b)
{
if(b==0)return 1;
else
if(b%2==0)
return putere(a,b/2)*putere(a,b/2);
else return putere(a,b/2)*putere(a,b/2)*a;
}
int main()
{
int n,p;
f>>n>>p;
g<<putere(n,p)%1999999973;
return 0;
}