Question

Se citesc numerele x€R si n€N. Sa se calculeze X^n

Answer 1

Varianta 1 -> cu functia pow din math.h

#include<iostream.h>
#include<math.h>
using namespace std ;
int main (){
      float x ;
      int n;
cin>>x>>n;
cout << pow(x,n);}

Sau varianta 2 
 
#include<iostream.h>
using namespace std ;
int main (){
      int i , int n ;
      float x , putere=1;
cin>>x>>n;

for(i=1;i<=n;i=i*2)
      putere=putere*x;
cout<<putere ;}