Cod sursa(job #2763785)
| Utilizator | Data | 16 iulie 2021 18:39:08 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.51 kb |
#include <fstream>
#define lli long long int
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
lli x, y;
lli putere(lli a, lli n) {
if(n == 0) {
return 1;
}
if(n % 2 == 1) {
return (a % MOD) * (putere(a, n - 1) % MOD);
}
lli P = putere(a, n / 2);
return (P % MOD) * (P % MOD);
}
int main() {
fin >> x >> y;
fin.close();
fout << putere(x, y) % MOD;
fout.close();
return 0;
}