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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.   int i;
  6.   char h[3] = {'0', '0', 0};
  7.  
  8.   for(i = 0 ; i < 24 ; i++)
  9.   {
  10.     if((i % 10) < 6)
  11.     {
  12.       snprintf(h, 3, "%02d", i);
  13.       printf("%s:%c%c\n", h, h[1], h[0]);
  14.     }
  15.   }
  16.  
  17.   return 0;
  18. }
  19.  
  20.  
Success #stdin #stdout 0s 2156KB
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stdin
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Standard input is empty
stdout
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00:00
01:10
02:20
03:30
04:40
05:50
10:01
11:11
12:21
13:31
14:41
15:51
20:02
21:12
22:22
23:32
https://ideone.com/N0L4ft
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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