feat: hammingWeight 문제풀이 추가

Author: JEONGHWANMIN

number-of-1-bits/hwanmini.js

@@ -0,0 +1,20 @@
+// 시간복잡도: O(log n)
+// 공간복잡도: O(log n)
+
+const replaceZeroToEmptyString = (str) => str.replaceAll('0','')
+
+
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var hammingWeight = function(n) {
+    const binaryNum = n.toString(2)
+    const replacedNumber = replaceZeroToEmptyString(binaryNum)
+    return replacedNumber.length
+};
+
+
+console.log(hammingWeight(11));
+console.log(hammingWeight(128));
+console.log(hammingWeight(2147483645));