Cod sursa(job #1193898)
| Utilizator | Data | 2 iunie 2014 11:35:10 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.56 kb |
#include <fstream>
using namespace std;
long long put(long long n, long long p)
{
if(p == 1) return n;
int x = put(n, p/2);
if(p % 2) return n * x * x % 1999999973;
return x * x % 1999999973;
}
long long put2(long long n, long long p)
{
n = n % 1999999973;
if(p == 1) return n;
if(p % 2) return n * put2(n*n, (p - 1)/2) % 1999999973;
return put2(n*n, p/2) % 1999999973;
}
int main()
{
ifstream in("lgput.in");
ofstream out("lgput.out");
long long n, p;
in >> n >> p;
out << put2(n, p);
return 0;
}
