Cod sursa(job #2949727)
| Utilizator | Data | 1 decembrie 2022 15:28:14 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.48 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int exponentiation(int a, int b){
if(b==1)
return a;
if(b%2==1)
return a*exponentiation(a, b-1);
int tmp_exp = exponentiation(a, b/2);
return tmp_exp * tmp_exp;
}
int main()
{
int a, b;
//cout<<"Give a ";
fin>>a;
//cout<<"Give b ";
fin>>b;
fout << exponentiation(a, b) % 1999999973;
return 0;
}
