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  1. #include <stdio.h>
  2. int main()
  3. {
  4.     unsigned int a, b, c, d;
  5.     unsigned int f;
  6.  
  7.     printf("         bc      \n");
  8.     printf("     00 01 11 10 \n");
  9.     printf("   ______________\n");
  10.  
  11.     for (a = 0; a < 2; a++) {
  12.         printf("a=%u | ", a);
  13.  
  14.         for (b = 0; b < 2; b++) {
  15.             for (d = 0; d < 2; d++) {
  16.  
  17.                 // Gray code generation
  18.                 c = d ^ b;
  19.  
  20.                 // f = ab + b'c'
  21.                 f = (a & b) | ((~b & 1) & (~c & 1));
  22.                 f = f & 1;
  23.  
  24.                 printf("%u ", f);
  25.             }
  26.         }
  27.         printf("\n");
  28.     }
  29.  
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
         bc      
     00 01 11 10 
   ______________
a=0 | 1 0 0 0 
a=1 | 1 0 1 1
https://ideone.com/eB4fXt
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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