Cod sursa(job #1396358)
Utilizator | Data | 22 martie 2015 14:16:33 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include <fstream>
#include <iostream>
std::ifstream fin("lgput.in");
std::ofstream fout("lgput.out");
int put(int x, int n) {
int a=x%1999999973;
if (n == 0) {return 1;}
if (n == 1) {return a;}
if (n % 2 == 0) {
return put((a * a), n / 2);
} else
return put((a * a), n / 2 - 1);
}
int main() {
int a, b;
fin >> a >> b;
fout << put(a, b);
return 0;
}