reverse-bits solved

Author: hsskey

reverse-bits/hsskey.js

@@ -0,0 +1,12 @@
+/**
+ * @param {number} n - a positive integer
+ * @return {number} - a positive integer
+ */
+var reverseBits = function(n) {
+    let res = 0;
+    for (let i = 0; i < 32; i++) {
+        let bit = (n >>> i) & 1;
+        res |= (bit << (31 - i));
+    }
+    return res >>> 0;
+};