Cod sursa(job #2464964)
| Utilizator | Data | 29 septembrie 2019 11:11:23 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.49 kb |
#include<iostream>
#include<fstream>
const unsigned long long MODULO = 1999999973;
unsigned long long pow(unsigned long long x, unsigned long long e) {
unsigned long long xx = 1;
for (int i = 0; (1 << i) <= e; ++i) {
if ((1 << i) & e) {
xx = (x * xx) % MODULO;
}
x = (x * x) % MODULO;
}
return x;
}
int main() {
std::ifstream in("lgput.in");
std::ofstream out("lgput.out");
unsigned long long n, p;
in >> n >> p;
out << pow(n % MODULO, p);
return 0;
}