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C Program to reverse number

C Program to reverse number with programming examples for beginners and professionals covering concepts, control statements, c array, c pointers, c structures, c union, c strings and more.

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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
 int main()  
{  
int n, reverse=0, rem;  
printf("Enter a number: ");  
  scanf("%d", &n);  
  while(n!=0)  
  {  
     rem=n%10;  
     reverse=reverse*10+rem;  
     n/=10;  
  }  
  printf("Reversed Number: %d",reverse);  
return 0;
}

Output:

Enter a number: 123
Reversed Number: 321
Next TopicC Program to swap two numbers without third variable


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