Cod sursa(job #1021192)
Utilizator | Data | 3 noiembrie 2013 14:21:20 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.5 kb |
#include <fstream>
#define T 1999999973;
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long putere(long long a, long long b)
{
long long p=1;
while(b)
{
if(b%2!=0)
{
p=(p*a)%T;
b--;
}
if(b)
{
a=(a*a)%T;
b=b/2;
}
}
return p;
}
int main()
{
long long n, p;
f>>n>>p;
g<<putere(n, p);
f.close(); g.close();
return 0;
}