init commit

archive/algorithm/leetcode/231.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <math.h>
+
+#define bool int
+#define true 1
+#define false 0
+bool isPowerOfTwo(int num)
+{
+    while (num % 2 == 0)
+    {
+        num /= 2;
+        if (num == 0)
+        {
+            return false;
+        }
+    }
+    return num == 1;
+}
+
+int main()
+{
+    isPowerOfTwo(27);
+    isPowerOfTwo(4);
+    isPowerOfTwo(16);
+    getchar();
+    return 0;
+}