Completed

Author: JayakrishnaThota

21 Misc/15 Count all set bits.java

@@ -0,0 +1,19 @@
+public class Solution{
+public int hammingWeight(int n) {
+        int count = 0;
+        for(int i=0;i<32;i++){
+            if((n&1)==1)
+                count++;
+            n>>>=1;
+        }
+        return count;
+    }
+ public int helper(int n)
+ {
+  int result = 0;
+  for(int i=0;i<=n;i++){
+  result += hammingWeight(i);
+ }
+ return result;
+ }
+ }