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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int n, reversed = 0, digit;
  5.     printf("Enter n: ");
  6.     scanf("%d", &n);
  7.  
  8.     do {
  9.         digit = n % 10;
  10.         reversed = reversed * 10 + digit;
  11.         n /= 10;
  12.     } while (n > 0);
  13.  
  14.     printf("Reversed = %d\n", reversed);
  15.     return 0;
  16. }
Success #stdin #stdout 0s 5312KB
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stdin
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Enter n: Reversed = 54321
https://ideone.com/g11gmZ
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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