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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <inttypes.h>
  4.  
  5. enum days_of_week {Sunday = 3488, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday};
  6.  
  7. const char *getDayOfWeek(unsigned int day);
  8. const char *getDayOfWeek(unsigned int day) {
  9. 	static const char *days[7] = {
  10. 		"Sunday",
  11. 		"Monday",
  12. 		"Tuesday",
  13. 		"Wednesday",
  14. 		"Thursday",
  15. 		"Friday",
  16. 		"Saturday"
  17. 	};
  18. 	day -= 3488;
  19. 	day %= 7;
  20. 	return days[day];
  21. }
  22.  
  23. int main(void);
  24. int main() {
  25. 	static unsigned int day = (unsigned int) Thursday;
  26.  
  27.     printf("%X %X %X %X %X %X %X\n", Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday);
  28.  
  29.     if (day >= Sunday && day <= Saturday) {
  30.     	printf("The day of week is: %s (or %X).\n", getDayOfWeek(day), day);
  31.     }
  32.  
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 4172KB
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stdin
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Standard input is empty
stdout
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DA0 DA1 DA2 DA3 DA4 DA5 DA6
The day of week is: Thursday (or DA4).
https://ideone.com/IY39lR
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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