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6/ex3.c

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+#include <stdio.h>
+
+#define N       20
+#define ZERO    0
+#define ONE     1
+#define ABS(x)  (x) * (((2 * (x)) + 1) % 2)
+#define BOOLEAN unsigned short
+
+//---------------------------------------------------------------------------------------
+//                                              Equality
+//                                              --------
+//
+// General      : Checks whether two numbers are equal in value.
+//
+// Parameters   :  
+//          number1 -  first number (int)
+//          number2 -  second number (int)
+//
+// Return value : If there is an equality between the two numbers (BOOLEAN).
+//
+//---------------------------------------------------------------------------------------
+// Programmer : Cohen Idan
+// Student No : None
+// Date       : 21.10.2019
+//---------------------------------------------------------------------------------------
+BOOLEAN Equality(int number1, int number2)
+{
+    int sub = number1 - number2;
+    BOOLEAN answer = (ONE / (ABS(sub) + ONE));
+    return answer;
+}
+
+//---------------------------------------------------------------------------------------
+//                                              Exercise 3
+//                                              ----------
+//
+// General : The program checks the number of neighboring organs whose values are equal.
+//
+// Input   : None.
+//
+// Process : The program checks the number of neighboring organs whose values are equal.
+//
+// Output  : The number of neighboring organ pairs whose values
+//           are equal (unsigned short).
+//
+//---------------------------------------------------------------------------------------
+// Programmer : Cohen Idan
+// Student No : 211675038
+// Date       : 23.10.2019
+//---------------------------------------------------------------------------------------
+void main(void)
+{
+    unsigned short board[N] = 
+    {1,1,3,3,4,5,5,6,7,7,4,3,2,3,1,1,0,1,0,1};
+
+    unsigned short sum = ZERO;
+    unsigned short counter;
+
+    for (counter = ONE; counter < N; counter++)
+    {
+        sum += Equality(board[counter - ONE], board[counter]);
+    }
+
+    printf("Sum: %hu\n", sum);
+}