Advanced Search

Programm that take 3 numbers from user between 20 and 48, and print weight of each number

/ Published in: C
Save to your folder(s)
In ths program i also check for wrong numbers, and prevent entering equal numbers.

Expand | Embed | Plain Text

Copy this code and paste it in your HTML 
  1. #include <stdio.h>
  2.  
  3. void main()
  4. {
  5. 	// Progamm 1
  6. 	// initializing variables
  7. 	int unum1=0, unum2=0, unum3=0, index=0, large=0, medium=0, small=0;
  8.  
  9. 	/* Ask to enter first number, with validating */
  10. 	do
  11. 	{
  12. 		/* If we ask for 1st time, print request */
  13. 		if (!index)
  14. 		{
  15. 			printf("Enter first number between 20 and 48:\n");
  16. 		}
  17. 		/* Put entered number in variable unum1 */
  18. 		scanf("%d", &unum1);
  19. 		/* If unum1 is not in condition, say to user enter another bumber */
  20. 		if (!(unum1 > 20 && unum1 < 48))
  21. 		{
  22. 			printf("Your number is wrong. Try again:\n");
  23. 		}
  24. 		/* Set index to 1, to avoid repeating line "Enter first number between 20 and 48" */
  25. 		index=1;
  26. 	}
  27. 	while (!(unum1 > 20 && unum1 < 48)); /* <----- till entered number is not in condition, run code in do {} */
  28.  
  29. 	/* Set index to 0, to use this variable again for next valdating loop */
  30. 	index = 0;
  31.  
  32. 	/* Ask to enter second number, with validating.
  33. 	Code is almost as previous, only now for second number */
  34. 	do
  35. 	{
  36. 		if (!index)
  37. 		{
  38. 			printf("Enter second number between 20 and 48:\n");
  39. 		}
  40.  
  41. 		scanf("%d", &unum2);
  42.  
  43. 		if (!(unum2 > 20 && unum2 < 48))
  44. 		{
  45. 			printf("Your number is wrong. Try again:\n");
  46. 		}
  47. 		/* If entered number is equal to first number, say to user enter another number */
  48. 		else if (unum2 == unum1)
  49. 		{
  50. 			printf("Enter different number from previous:\n");
  51. 		}
  52.  
  53. 		index=1;
  54. 	}
  55. 	while (!(unum2 > 20 && unum2 < 48) || unum2==unum1); /* I added check for preventing entering the same numbers */
  56.  
  57. 	/* Set index to 0,to use this variable again for next valdating loop */
  58. 	index=0;
  59. 	/* Ask to enter third number, with validating.
  60. 	Code is almost as previous two,
  61. 	only now for third number */
  62. 	do
  63. 	{
  64. 		if (!index)
  65. 		{
  66. 			printf("Enter third number between 20 and 48:\n");
  67. 		}
  68.  
  69. 		scanf("%d", &unum3);
  70.  
  71. 		if (!(unum3 > 20 && unum3 < 48))
  72. 		{
  73. 			printf("Your number is wrong. Try again:\n");
  74. 		}
  75. 		/* If entered number is equal to first or second number, say to user enter another number */
  76. 		else if (unum3 == unum1 || unum3 == unum2)
  77. 		{
  78. 			printf("Enter different number from two previous:\n");
  79. 		}
  80.  
  81. 		index=1;
  82. 	}
  83. 	while (!(unum3 > 20 && unum3 < 48) || (unum3 == unum1 || unum3 == unum2)); /* Check for preventing entering the same numbers as unum1 and unum2 */
  84.  
  85. 	/* When we know that all three number is in our condition,
  86. 	write code for printing large, medium and small number.
  87. 	*/
  88.  
  89. 	/* If 1st number larger them 2nd and 3rd, the 1st number is LARGE */
  90. 	if (unum1 > unum2 && unum1 > unum3)
  91. 	{
  92. 		/* Set variable "large" = unum1; */
  93. 		large = unum1;
  94. 		/* If 3rd number smaller than 2nd number, 3rd number is SMALL, and 2st number is MEDIUM */
  95. 		if (unum3 < unum2)
  96. 		{
  97. 			medium = unum2;
  98. 			small = unum3;
  99. 		}
  100. 		/* If 3rd number is large than 2nd number, 3rd number is MEDIUM, and 2st number is SMALL */
  101. 		else
  102. 		{
  103. 			medium = unum3;
  104. 			small = unum2;
  105. 		}
  106. 	}
  107.  
  108. 	/* If 2nd number larger them 1st and 3rd, the 2st number is LARGE */
  109. 	if (unum2 > unum1 && unum2 > unum3)
  110. 	{
  111. 		large = unum2;
  112. 		if (unum3 < unum1)
  113. 		{
  114. 			medium = unum1;
  115. 			small = unum3;
  116. 		}
  117. 		else
  118. 		{
  119. 			medium = unum3;
  120. 			small = unum1;
  121. 		}
  122. 	}
  123.  
  124. 	/* If 3rd number larger them 1st and 2nd, the 3rd number is LARGE */
  125. 	if (unum3 > unum1 && unum3 > unum2)
  126. 	{
  127. 		large = unum3;
  128. 		if (unum1 < unum2)
  129. 		{
  130. 			medium = unum2;
  131. 			small = unum1;
  132. 		}
  133. 		else
  134. 		{
  135. 			medium = unum1;
  136. 			small = unum2;
  137. 		}
  138. 	}
  139.  
  140. 	/* Printing result */
  141. 	printf("%d - is Large\n%d - is Medium\n%d - is Small\n", large, medium, small);
  142. }

Report this snippet


Comments

RSS Icon Subscribe to comments

You need to login to post a comment.