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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a = 0;
  5.     scanf("%d", &a);
  6.     a = (a < 0) ? -a : a;
  7.  
  8.     while (a) {
  9.         putchar((a % 10) + '0');
  10.         a /= 10;
  11.     }
  12.  
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 2160KB
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-123
stdout
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321
https://ideone.com/Y11Pmi
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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