Merge pull request #41 from spicydll/notnotOdd.c

Important contribution (very optimized)

notNotOdd.c

@@ -0,0 +1,91 @@
+#include <stdio.h>
+#include "notNotOdd.h"
+
+int notNotOddNotNotEvenChecker(int number) {
+    switch (number) {
+        case 0:
+        case 2:
+        case 4:
+        case 6:
+        case 8:
+        case 10:
+        case 12:
+        case 14:
+        case 16:
+        case 18:
+        case 20:
+        case 22:
+        case 24:
+        case 26:
+        case 28:
+        case 30:
+        case 32:
+        case 34:
+        case 36:
+        case 38:
+        case 40:
+        case 42:
+        case 44:
+        case 46:
+        case 48:
+        case 50: return (number + 1) % 2;
+        case 1:
+        case 3:
+        case 5:
+        case 7:
+        case 9:
+        case 11:
+        case 13:
+        case 15:
+        case 17:
+        case 19:
+        case 21:
+        case 23:
+        case 25:
+        case 27:
+        case 29:
+        case 31:
+        case 33:
+        case 35:
+        case 37:
+        case 39:
+        case 41:
+        case 43:
+        case 45:
+        case 47:
+        case 49: return (number + 1) % 2;
+        default: return notNotOddNotNotEvenChecker(number - 2);
+    }
+
+    return notNotOddNotNotEvenChecker(number - 2);
+}
+
+int notNotOddNotNotOddChecker(int number) {
+    number += 42069;
+    return notNotOddNotNotEvenChecker(number);
+}
+
+#define RESULT_SIZE 6
+int main(int argc, char *argv[])
+{
+    int results[RESULT_SIZE]; 
+    results[0] = notNotOddNotNotEvenChecker(2);
+    results[1] = notNotOddNotNotEvenChecker(69);
+    results[2] = notNotOddNotNotEvenChecker(420);
+    results[3] = notNotOddNotNotOddChecker(2);
+    results[4] = notNotOddNotNotOddChecker(69);
+    results[5] = notNotOddNotNotOddChecker(420);
+
+    for (int i = 0; i < RESULT_SIZE; i++) {
+        if (results[i]) {
+            printf("true ");
+        }
+        else 
+        {
+            printf("false ");
+        }
+    }
+    printf("\n");
+
+    return 0;
+}

notNotOdd.h

@@ -0,0 +1,2 @@
+int notNotOddNotNotEvenChecker(int number);
+int notNotOddNotNotOddChecker(int number);