Cod sursa(job #1921234)
| Utilizator | Data | 10 martie 2017 11:48:36 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.52 kb |
#include <iostream>
#include <fstream>
using namespace std;
#define modulo 1999999973
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long square(long long n, long long p)
{
if(p == 1)
return n % modulo;
if(p % 2 == 0)
return square((n % modulo) * (n % modulo), p / 2) % modulo;
else
return square((n % modulo) * (n % modulo), (p - 1) / 2) % modulo;
}
int main()
{
long long n, p;
fin >> n >> p;
fout << square(n, p);
return 0;
}
