Cod sursa(job #3228157)
| Utilizator | Data | 6 mai 2024 14:41:54 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.47 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout("lgput.out");
#define MOD 1999999973
int putere(long long a, int n) {
if(n == 0) return 1;
if(n % 2 == 0) return (putere(a, n/2) * putere(a, n/2)) % MOD;
else return (a * putere(a, n-1)) % MOD;
}
int main() {
ios_base::sync_with_stdio(false);
fin.tie(NULL);
fout.tie(NULL);
int a, n;
fin >> a >> n;
fout << putere(a, n) << endl;
return 0;
}
