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Jan 19th, 2019
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  1. #include<stdio.h>
  2. void sign(float a);
  3. void even(int b);
  4. void max(int num1, int num2);
  5. void n(unsigned num3);
  6. void doul(int num4);
  7. void how_many_time(int num5);
  8. void sum (int num6);
  9. void main()
  10. {
  11. int option=1 ,num1 ,num2;
  12. while(option !=0)
  13. {
  14. printf("enter a option\n");
  15. scanf("%d" , &option);
  16. switch(option)
  17. {
  18. float a;
  19. int b ,num1 ,num2 ,num4 ,num5 ,num6;
  20. unsigned num3;
  21. case 0:
  22. printf("bey bey\n");
  23. break;
  24. case 1:
  25. sign(a);
  26. break;
  27. case 2:
  28. even(b);
  29. break;
  30. case 3:
  31. max(num1 , num2);
  32. break;
  33. case 4:
  34. n(num3);
  35. break;
  36.  
  37.  
  38.  
  39. }
  40. }
  41. }
  42. void sign(float a)
  43. {
  44. printf("enter a float number\n");
  45. scanf("%f" , &a);
  46.  
  47. if(a > 0)
  48. {
  49. printf("1\n");
  50. }
  51. else if(a < 0)
  52. {
  53. printf("-1\n");
  54. }
  55. else if(a == 0)
  56. {
  57. printf("0\n");
  58. }
  59. }
  60. void even(int b)
  61. {
  62. printf("enter a integer num\n");
  63. scanf("%d" , &b);
  64. if(b%2 == 0)
  65. {
  66. printf("0\n");
  67. }
  68. else//b%2 !=0
  69. {
  70. printf("1\n");
  71. }
  72. }
  73. void max(int num1 , int num2)
  74. {
  75. printf("enter two integer numbers\n");
  76. scanf("%d %d" , &num1 ,&num2);
  77. if(num1 < num2)
  78. {
  79. printf("%d\n" , num2);
  80. }
  81. else//num1 > num2
  82. {
  83. printf("%d\n" , num1);
  84. }
  85. }
  86. void n(unsigned num3)
  87. {
  88. int multy , i;
  89. printf(" enter a unsigned \n");
  90. scanf("%d" , &num3);
  91. for(i=1; num3 <= i; i++)
  92. multy = num3*i;
  93. return multy;
  94.  
  95.  
  96. }
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