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  1. #include <stdio.h>
  2.  
  3. struct Date{
  4. 	int day;
  5. 	int month;
  6. 	int year;
  7. };
  8.  
  9. int before(struct Date d1,struct Date d2){
  10. 	if(d1.year < d2.year){
  11. 		return 1;
  12. 	}
  13. 	else if(d1.year > d2.year){
  14. 		return 0;
  15. 	}
  16. 	else{
  17. 		if(d1.month < d2.month){
  18. 			return 1;
  19. 		}
  20. 		else if(d1.month > d2.month){
  21. 			return 0;
  22. 		}
  23. 		else{
  24. 			if(d1.day < d2.day){
  25. 				return 1;
  26. 			}
  27. 			else if(d1.day >= d2.day){
  28. 				return 0;
  29. 			}	
  30. 		}
  31. 	}
  32. }
  33.  
  34. int within30days(struct Date d1,struct Date d2){
  35. 	long d1Days,d2Days;
  36. 	d1Days = d1.year*12*30+d1.month*30+d1.day;
  37. 	d2Days = d2.year*12*30+d2.month*30+d2.day;
  38. 	if(d1Days>d2Days){
  39. 		if(d1Days<=d2Days+30)
  40. 			return 1;
  41. 	}
  42. 	else{
  43. 		if(d2Days<=d1Days+30)
  44. 			return 1;
  45. 	}
  46. 	return 0;
  47. }
  48.  
  49. int main(void) {
  50. 	struct Date d1,d2;
  51. 	int a,b;
  52.  
  53. 	printf("Enter d1.day:");
  54. 	scanf("%d",&d1.day);
  55. 	printf("Enter d1.month:");
  56. 	scanf("%d",&d1.month);
  57. 	printf("Enter d1.year:");
  58. 	scanf("%d",&d1.year);
  59.  
  60. 	printf("Enter d2.day:");
  61. 	scanf("%d",&d2.day);
  62. 	printf("Enter d2.month:");
  63. 	scanf("%d",&d2.month);
  64. 	printf("Enter d2.year:");
  65. 	scanf("%d",&d2.year);
  66.  
  67. 	a = before(d1,d2);
  68. 	printf("before() output: %d",a);
  69.  
  70. 	b=within30days(d1,d2);
  71. 	printf("within30days() outout: %d",b);
  72.  
  73. 	return 0;
  74. }
  75.  
Success #stdin #stdout 0s 9432KB
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stdin
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11 2 2017 11 3 2016
stdout
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Enter d1.day:Enter d1.month:Enter d1.year:Enter d2.day:Enter d2.month:Enter d2.year:before() output: 0within30days() outout: 0
https://ideone.com/e7ReeY
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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