Cod sursa(job #1372059)
| Utilizator | Data | 4 martie 2015 11:13:13 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 kb |
#include <fstream>
using namespace std;
unsigned long long int m=1999999973;
unsigned long long int lgput(unsigned long long int a,unsigned long long int b)
{
if(b==0) return 1;
else
if(b%2==0)
{
return lgput(a*a,b/2)%m;
}
else
return a*lgput(a*a,(b-1)/2)%m;
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long long int n,p,e;
f>>n;
f>>p;
g<<lgput(n,p);
return 0;
}
