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Jul 17th, 2018
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  1. #include <stdio.h>
  2. int main()
  3. {
  4. int a=5, a5df, sum ;
  5. int b=6;
  6.  
  7. printf("%d %d %d %d %d %d\n",a,a++, a, ++a,a++, ++a);
  8.  
  9. a=5;
  10. printf("%d %d %d %d %d %d\n",a++, a++, a++, a++, a++, a++);
  11.  
  12. a=5;
  13. printf("%d %d %d %d %d %d\n",++a, ++a, ++a, ++a, ++a, ++a);
  14.  
  15. a=5;
  16. sum= a++ + a++ + a++ + a++ + a++ ;
  17. printf("a= %d \t sum= %d\n",a,sum);
  18.  
  19. a=5;
  20. sum= - ++a - ++a ; // WHY ??? sum= - ++a - ++a ; SUM=-13 ?? sum= - ++a + ++a ; SUM=0 ??
  21. printf("a= %d \t sum= %d\n",a,sum);
  22.  
  23. a=5;
  24. sum= ++a + ++a ;
  25. printf("a= %d \t preSum= %d\n",a,sum);
  26.  
  27. a=5;
  28. sum= ++a + ++a + ++a ;
  29. printf("a= %d \t preSum= %d\n",a,sum);
  30.  
  31. a=5;
  32. sum= ++a + ++a + ++a + ++a ;
  33. printf("a= %d \t preSum= %d\n",a,sum);
  34.  
  35. a=5;
  36. sum= ++a + ++a + ++a + ++a + ++a ;
  37. printf("a= %d \t preSum= %d\n",a,sum);
  38.  
  39.  
  40. a=5;
  41. sum= ++a - a++ - a++ ;
  42. printf("a= %d \t sum= %d\n",a,sum);
  43. a=5;
  44. printf("%d %d %d", ++a ,- a++ ,- a++ );
  45.  
  46.  
  47. }
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