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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. cout<<"reverse number program\n";
  6. int a;
  7. cin>>a;
  8. int rem,mul=1,ans=0;
  9. while(a){
  10. rem=a%10;
  11. a/=10;
  12. ans+=rem*mul;
  13. mul*=10;
  14.  
  15. }
  16.  
  17. cout<<"answer :"<< ans;
  18. 	return 0;
  19. }
Success #stdin #stdout 0.01s 5320KB
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123
stdout
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reverse number program
answer :123
https://ideone.com/OLI5Sd
language:
C++ (gcc 8.3)
created:
15 hours ago
visibility:
public

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