Cod sursa(job #1299931)
| Utilizator | Data | 23 decembrie 2014 22:28:07 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 kb |
#include <iostream>
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long lgput(long long n, long long p) {
if (p == 1)
return n;
long val = (lgput(n, p/2) % MOD);
if (p % 2 == 0)
return ((val * val) % MOD);
else
return ((((val * val) % MOD) * n) % MOD);
}
int main() {
long long n, p;
fin >> n >> p;
fout << lgput(n, p) % MOD<< "\n";
fin.close();
fout.close();
return 0;
}