Cod sursa(job #2577895)
Utilizator | Data | 10 martie 2020 08:31:42 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n,m;
int rappow(int x,int put)
{
if(put==0)return 1;
if(put%2) return x*rappow(x,put-1);
if(put%2==0)
{
int p=rappow(x,put/2);
return p*p;
}
}
int main()
{
f>>n>>m;
g<<rappow(n,m);
g.close();
return 0;
}