Added Number of 1 Bits

Author: gahogg

Number of 1 Bits - Leetcode 191/Number of 1 Bits - Leetcode 191.cpp

@@ -0,0 +1,13 @@
+class Solution {
+public:
+    int hammingWeight(uint32_t n) {
+        int ans = 0;
+
+        while (n != 0) {
+            ans++;
+            n &= (n - 1);
+        }
+
+        return ans;
+    }
+};

Number of 1 Bits - Leetcode 191/Number of 1 Bits - Leetcode 191.java

@@ -0,0 +1,12 @@
+public class Solution {
+    public int hammingWeight(int n) {
+        int ans = 0;
+
+        while (n != 0) {
+            ans++;
+            n &= (n - 1);
+        }
+
+        return ans;
+    }
+}

Number of 1 Bits - Leetcode 191/Number of 1 Bits - Leetcode 191.js

@@ -0,0 +1,10 @@
+var hammingWeight = function(n) {
+    var ans = 0;
+
+    while (n !== 0) {
+        ans++;
+        n &= (n - 1);
+    }
+
+    return ans;
+};

Number of 1 Bits - Leetcode 191/Number of 1 Bits - Leetcode 191.py

@@ -0,0 +1,10 @@
+class Solution:
+    def hammingWeight(self, n: int) -> int:
+        ans = 0
+
+        while n != 0:
+            ans += 1
+            n = n & (n-1)
+        
+        return ans
+        # Time: O(Bits), Space: O(1)