Cod sursa(job #2047926)
| Utilizator | Data | 25 octombrie 2017 16:59:02 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.58 kb |
#include <bits/stdc++.h>
#define modulo 1999999973
using namespace std;
long long PutereLogaritmic(long long x, long long n)
{
long long p = 1;
while (n)
{
if (n & 1)
{
p = (p * x) % modulo;
n--;
}
x = (x * x) % modulo;
n >>= 1;
}
return p;
}
int main()
{
long long x, n, rez;
ifstream fin("lgput.in");
fin >> x >> n;
fin.close();
rez = PutereLogaritmic(x, n);
ofstream fout("lgput.out");
fout << rez << "\n";
fout.close();
return 0;
}
