Question

How to calculate the power of a number using recursion in C++

Answer 1

#include <iostream>
  
long power_recursion(int n, int power) {
    if (power) {
        return n * power_recursion(n, power - 1);
    }
    return 1;
}
   
int main()
{
    int a = 5 , power = 3;
  
    std::cout << power_recursion(a, power);
   
    return 0;
}
   
   
   
   
/*
run:
   
125
   
*/

 

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