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C++ Program to Reverse Number

C++ Program to Reverse Number tutorial for beginners and professionals with examples on constructor, if-else, switch, break, continue, comments, arrays, object and class, exception, static, structs, inheritance, aggregation etc.

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C++ Program to reverse number

We can reverse a number in C++ using loop and arithmetic operators. In this program, we are getting number as input from the user and reversing that number.

Let's see a simple C++ example to reverse a given number.

#include <iostream>
using namespace std;
int main()
{
int n, reverse=0, rem;  
cout<<"Enter a number: ";  
cin>>n;  
  while(n!=0)  
  {  
     rem=n%10;    
     reverse=reverse*10+rem;  
     n/=10;  
  }  
 cout<<"Reversed Number: "<<reverse<<endl;   
return 0;
}

Output:

Enter a number: 234  
 Reversed Number: 432




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