Write a program to find the power of a number using the recursion.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Write a program to find the power of a number using the recursion.

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C++ Code

Each time powerFunc() function  is called with one less value of power till its value becomes 0.

 

#include <iostream>
using namespace std;

int powerFunc(int number, int power)
{
    if(power == 0)
        return 1;
    else
        return (number * powerFunc(number, power - 1));
}
int main()
{
    int number, power;
    
    cout<<"\nNumber: ";
    cin>>number;
    cout<<"Power: ";
    cin>>power;
    
    int result = powerFunc(number, power);
    cout<<endl<<number<<" to the power "<<power<<" is: "<<result;
    
    return 0;
}

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