Merge pull request #475 from EdYuTo/master

Int to Bin and Swap #457, #456

IntToBin.c

@@ -0,0 +1,31 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+void IntToBin(int num) {
+   if (num > 1 ) {
+      IntToBin(num>>1);
+   } 
+   printf("%d", num%2);
+   return;
+}
+
+int main(int argc, char *argv[ ]) {
+   int integer;
+
+   if (argc == 1) {
+      printf("Type an Integer:\n");
+      scanf("%d", &integer);
+   } else if (argc == 2) {
+      integer = atoi(argv[argc-1]);
+   } else {
+      printf("Usage: %s [INTEGER]\n", argv[0]);
+      return -1;
+   }
+   if (integer >= 0) { 
+      IntToBin(integer);
+      printf("\n");
+   } else {
+      printf("Invalid input.\n");
+   }
+   return 0;
+}

Swap.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[ ]) {
+   int a, b;
+
+   printf("Type two integers:\n");
+   scanf("%d %d", &a, &b);
+
+   printf("Before Swap: A = [%d], B = [%d]\n", a, b);
+   a = a^b;
+   b = a^b;
+   a = a^b;
+   printf("After Swap: A = [%d], B = [%d]\n", a, b);
+
+   return 0;
+}