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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. /*
  5. * https://w...content-available-to-author-only...s.online/so_you_think_you_know_c.html
  6. */
  7.  
  8. struct S {
  9.   int i;
  10.   char c;
  11. } s;
  12.  
  13. int one() {
  14.   return sizeof(*(&s));
  15. }
  16.  
  17. int two() {
  18.   char a = 0;
  19.   short int b = 0;
  20.   return sizeof(b) == sizeof(a+b);
  21. }
  22.  
  23.  
  24. int three() {
  25.   char a = ' ' * 13;
  26.   return a;
  27. }
  28.  
  29.  
  30. int four() {
  31.   int i = 16;
  32.   return (((((i >= i) << i) >> i) <= i));
  33. }
  34.  
  35.  
  36. int five() {
  37.   int i = 0;
  38.   return i++ + ++i;
  39. }
  40.  
  41. int main(void) {
  42.     printf("1:%d\n", one());
  43.     printf("2:%d\n", two());
  44.     printf("3:%d\n", three());
  45.     printf("4:%d\n", four());
  46.     printf("5:%d\n", five());
  47. 	return 0;
  48. }
  49.  
Success #stdin #stdout 0s 9424KB
comments (?)
stdin
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Standard input is empty
stdout
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1:8
2:0
3:-96
4:1
5:2
https://ideone.com/PziSzq
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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