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2/ex1.c

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+#include <stdio.h>
+#include "libs.h"
+//---------------------------------------------------------------------------------------
+//                                              Exercise 1
+//                                              ----------
+//
+// General : The program sort 3 numbers by char.
+//
+// Input   : 3 numbers and char 'U' or 'D'.
+//
+// Process : Bubble sort.
+//
+// Output  : 3 numbers sorted by char.
+//
+//---------------------------------------------------------------------------------------
+// Programmer : Cohen Idan
+// Student No : None
+// Date       : 12.09.2019
+//---------------------------------------------------------------------------------------
+void main(void)
+{
+    char code;
+    short num1,
+          num2,
+          num3,
+          first_num,
+          second_num,
+          third_num,
+          temp_max,
+          temp_min;
+
+    printf("Enter code 'U' or 'D': ");
+    scanf("%c", &code);
+    printf("Enter 3 numbers: ");
+    scanf("%hd%hd%hd", &num1, &num2, &num3);
+
+    first_num = num1;
+    second_num = num2;
+    third_num = num3;
+
+    temp_max = MAX(first_num, second_num);
+    temp_min = MIN(first_num, second_num);
+    second_num = temp_max;
+    first_num = temp_min;
+    if (code == 'D')
+    {
+        second_num = temp_min;
+        first_num = temp_max;
+    }
+
+    temp_max = MAX(second_num, third_num);
+    temp_min = MIN(second_num, third_num);
+    third_num = temp_max;
+    second_num = temp_min;
+    if (code == 'D')
+    {
+        third_num = temp_min;
+        second_num = temp_max;
+    }
+    
+    temp_max = MAX(first_num, second_num);
+    temp_min = MIN(first_num, second_num);
+    second_num = temp_max;
+    first_num = temp_min;
+    if (code == 'D')
+    {
+        second_num = temp_min;
+        first_num = temp_max;
+    }
+    
+    printf("%hd %hd %hd\n", first_num, second_num, third_num);
+}