Cod sursa(job #1984681)
| Utilizator | Data | 25 mai 2017 17:50:01 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.43 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)%1999999973)*(putere(a,b/2)%1999999973);
else return (putere(a,b/2)%1999999973)*(putere(a,b/2)%1999999973)*a;
}
int main()
{
int n,p;
f>>n>>p;
g<<putere(n,p)%1999999973;
return 0;
}
