Cod sursa(job #2986250)
Utilizator | Data | 28 februarie 2023 09:06:20 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.35 kb |
#include <bits/stdc++.h>
using namespace std;
int putere(int a, int b){
if (b==1) return a;
else if(b%2==1) return putere(a*a, (b-1)/2);
else if (b%2==0) return putere(a*a, b/2);
}
int main()
{
ifstream in("lgput.in");
ofstream out("lgput.out");
int n, m, r;
fin >> n >> m;
fout << putere(n, m);
fin.close();
fout.close();
}