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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int n;
  5.     printf("Enter the number: ");
  6.     scanf("%d",&n);
  7.     int r=0;
  8.     int lastdigit=0;
  9.     while(n!=0){
  10.            lastdigit= n%10;
  11.            r=r*10;
  12.            r= r + lastdigit;
  13.            n=n/10;
  14.      }
  15.     printf("The reverse of the number is %d",r);
  16.           int sum;
  17.           sum=n+r;
  18.           printf("The sum is %d",sum);
  19.  
  20.  
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 5288KB
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Enter the number: The reverse of the number is 21The sum is 21
https://ideone.com/BZlEX0
language:
C (gcc 8.3)
created:
3 hours ago
visibility:
public

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