Merge pull request #88 from Ansh-Vikalp/patch-1

Program to Count Set Bits in a Number

Beginner Level 📁/Count Set Bit in Number/CountBit.java

@@ -0,0 +1,21 @@
+import java.util.*;
+
+public class CountBit {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.print("Enter a number: ");
+        int n = sc.nextInt(); // Input a number
+        int count = 0;// set a counter
+
+        // Loop to count the set bits in the binary representation of the number
+        while (n > 0) {// Execute loop unlit no until num becomes 0
+            count++;
+            // This operation clears the rightmost set bit in n
+            // Example: n = 1010 & 1001 clears the last '1' in binar
+            n = n & (n - 1);
+        }
+        System.out.println("Total set bits: " + count);
+        sc.close();
+    }
+
+}

Beginner Level 📁/Count Set Bit in Number/question.md

@@ -0,0 +1,43 @@
+## Problem Statement
+Write a Java program to count the number of set bits (1s) in the binary representation of a given non-negative integer.
+
+### Input
+- A single integer `n` where `0 <= n <= 10^9`.
+
+### Output
+- The number of set bits (1s) in the binary representation of the integer.
+
+### Example
+
+#### Example 1:
+**Input**:  
+`5`
+
+**Output**:  
+`2`
+
+**Explanation**:  
+Binary representation of 5 is `101`, which has 2 set bits.
+
+#### Example 2:
+**Input**:  
+`10`
+
+**Output**:  
+`2`
+
+**Explanation**:  
+Binary representation of 10 is `1010`, which has 2 set bits.
+
+#### Example 3:
+**Input**:  
+`0`
+
+**Output**:  
+`0`
+
+**Explanation**:  
+Binary representation of 0 is `0`, which has no set bits.
+
+### Constraints
+- `0 <= n <= 10^9`

Beginner Level 📁/data.json

@@ -5,7 +5,6 @@
     "name": "Kushal Das",
     "githubUsername": "Kushal997-das"
   },
-
   // Add your details below as above mention
   {
     "name": "candy",
@@ -23,6 +22,14 @@
     "name": "Priyansh Khare",
     "githubUsername": "PriyanshK09"
   },
+  {
+    "name": "Yahia Nawashi",
+    "githubUsername": "Dinoguy12349"
+  },
+  {
+    "name": "Ansh Vikalp",
+    "githubUsername": "Ansh-Vikalp"
+  },
   {
     "name": "Ayesha",
     "githubUsername": "Ayesha19297"