Cod sursa(job #2873320)
Utilizator | Data | 19 martie 2022 09:31:23 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
#define mod 1999999973
long long putere(long long a, long long n)
{
long long p = 1;
while (n != 0)
{
if (n % 2 == 1)
p = p * a % mod;
n /= 2;
a = a % mod;
a = a * a % mod;
}
return p % mod;
}
int main()
{
long long a, n;
cin >> a >> n;
cout << putere(a, n);
return 0;
}