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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <malloc.h>
  4. #define MaxLen 1000
  5. typedef struct
  6. {
  7. 	int age;
  8. 	char * name;
  9. } student;
  10.  
  11. typedef enum Result {aged,named,success} Result;
  12. Result res = success;
  13. student ** myFunc()
  14. {
  15. 	student ** ans = (student **)malloc(sizeof(student *));
  16. 	int numStudents = 0, currentAge, flag = 1;
  17. 	student * std;
  18. 	while (flag)
  19. 	{
  20. 		std = (student *)malloc(sizeof(student));
  21. 		std->name = (char *) malloc(sizeof(char) * MaxLen);
  22. 		scanf("%s", std->name);
  23. 		if (strcmp(std->name,"enough") != 0)
  24. 		{
  25. 			scanf("%d", &currentAge);
  26. 			if (currentAge >= 0)
  27. 			{
  28. 				std->age = currentAge;
  29. 				numStudents++;
  30. 				ans = (student **) realloc(ans, sizeof(student*) * numStudents);
  31. 				ans[numStudents-1] = std;
  32. 			}
  33. 			else 
  34. 			{
  35. 				res = aged;
  36. 				free(std->name);
  37. 				free(std);
  38. 				break;
  39. 			}
  40. 		}
  41. 		else
  42. 		{
  43. 			res = named;
  44. 			free(std->name);
  45. 			free(std);
  46. 			break;
  47. 		}
  48. 	}
  49.  
  50. 	if (numStudents == 0)
  51. 	{
  52. 		free(ans);
  53. 		return NULL;
  54. 	}
  55. 	return ans;
  56. }
  57. int main(void) {
  58. 	student ** arr = myFunc();
  59. 	if (res == aged)
  60. 	{
  61. 		printf("I stopped because of age\n");
  62. 	}
  63. 	else if (res == named)
  64. 	{
  65. 		printf("I stopped because of names\n");
  66. 	}
  67. 	else
  68. 	{
  69. 		printf("I stopped becuase of allocation failure\n");
  70. 	}
  71. 	int num, i;
  72. 	student * std;
  73. 	num = sizeof(arr)/sizeof(student *);
  74. 	for (i=0;i<num;i++)
  75. 	{
  76. 		std = arr[i];
  77. 		printf("Student %s is of age %d", std->name, std->age);
  78. 	}
  79. 	return 0;
  80. }
  81.  
Time limit exceeded #stdin #stdout 5s 8187904KB
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https://ideone.com/D57A6E
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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