Easy 191. Number of 1 Bits

Author: SjxSubham

191. Number of 1 Bits

@@ -0,0 +1,27 @@
+class Solution {
+public:
+    int hammingWeight(uint32_t n) {
+        int count =0;
+
+        //****Approach 1****
+        // while( n!= 0){
+        //     count += (n%2); // Remainder Count... easy Binary count
+        //     n >>=1;
+        // }
+        // return count;
+
+        //*****Approach 2*****
+        // while(n>0){
+        //     n = (n&(n-1));                                                                                                          //  Bit Manipulation
+        //     count++;
+        // }
+        // return count;
+
+        //*****Approach 3*****
+        while(n !=0){
+            count += (n%2); //Remainder Count... easy Binary count
+            n = n/2;
+        }
+        return count;
+    }
+};