Cod sursa(job #2638820)
| Utilizator | Data | 30 iulie 2020 01:16:09 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 kb |
#include <iostream>
#include <fstream>
using namespace std;
long long MOD = 1999999973;
long long lgput(long long x, long long n) {
if (n == 0) {
return 1;
} else if (n % 2 == 0) {
return lgput ((x * x) % MOD, n / 2);
} else {
return (x * lgput((x * x) % MOD, (n - 1)/2)) % MOD;
}
}
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n, p;
fin >> n >> p;
fout << lgput(n, p);
return 0;
}
