Cod sursa(job #2569586)
| Utilizator | Data | 4 martie 2020 12:43:51 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | r3capitusulare | Marime | 0.46 kb |
#include <fstream>
#include <cmath>
using namespace std;
const int mod = 1999999973;
long long n, p;
long long putere(long long a, long long b)
{
if (!b)
return 1;
else if (b % 2)
return (a * putere(a * a % mod, b / 2) % mod) % mod;
else
return (putere(a * a % mod, b / 2) % mod);
}
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
fin >> n >> p;
fout << putere(n, p);
}
