Cod sursa(job #3132465)
| Utilizator | Data | 22 mai 2023 20:32:12 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.47 kb |
#include <iostream>
#include <fstream>
using namespace std;
long long exp(long long a,long long b) {
if (a<0)
return exp(1 / a, -b);
if (b == 0)return 1;
else
if (b == 1)return a;
if (b % 2 == 0)return exp(a, b / 2)*exp(a, b / 2)%1999999973;
else return a*exp(a, b / 2)*exp(a, b / 2) % 1999999973;
}
int main() {
long long n, p;
ifstream fi("lgput.in");
fi >> n >> p;
fi.close();
ofstream fo("lgput.out");
fo << exp(n, p);
fo.close();
}