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  1. #include <stdio.h>
  2.  
  3. void main()
  4. {
  5. 	int day, mth, year, dperm;
  6.  
  7. 	printf("Type the date using the following format: day/month/year \n");
  8. 	scanf("%d/%d/%d", &day, &mth, &year);
  9.  
  10. 	if (year >= 1 && year % 400 != 0 && year % 4 != 0)
  11. 	{
  12. 		int dperm[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31 , 30, 31 };
  13. 		if (mth >= 1 && mth <= 12)
  14. 		{
  15. 			if (day == dperm[mth])
  16. 			{
  17. 				printf("valid date \n");
  18. 			}
  19. 			else
  20. 			{
  21. 				printf("invalid date \n");
  22. 			}
  23. 		}
  24. 		else 
  25. 		{
  26. 			printf("invalid date (incorrect month) \n");
  27. 		}
  28. 	}
  29. 	else if (year >= 1 && year % 400 == 0 || (year % 4 == 0 && year % 100 != 0))
  30. 	{
  31. 		int dperm[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31 , 30, 31 };
  32.  
  33. 		if (mth >= 1 && mth <= 12)
  34. 		{
  35. 			if(day == dperm[mth])
  36. 			{
  37. 				printf("valid date \n");
  38. 			}
  39. 			else
  40. 			{
  41. 				printf("invalid date \n");
  42. 			}
  43. 		}
  44. 		else 
  45. 		{
  46. 			printf("invalid date (incorrect month) \n");
  47. 		}
  48. 	}
  49. 	else 
  50. 	{
  51. 		printf("invalid date (incorrect year) \n");
  52. 	}
  53. 	return 0;
  54. }
  55.  
Runtime error #stdin #stdout 0s 2172KB
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Standard input is empty
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Type the date using the following format: day/month/year 
invalid date (incorrect month)
https://ideone.com/OFB3uT
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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