From 81db73c8fa86ee8f8ca0ef8597e9f570c220ecce Mon Sep 17 00:00:00 2001
From: s0___0k <61587396+s0ooo0k@users.noreply.github.com>
Date: Mon, 29 Sep 2025 23:26:42 +0900
Subject: [PATCH 1/3] Add missing number solution

---
 missing-number/s0ooo0k.java | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 missing-number/s0ooo0k.java

diff --git a/missing-number/s0ooo0k.java b/missing-number/s0ooo0k.java
new file mode 100644
index 000000000..f685a9c7a
--- /dev/null
+++ b/missing-number/s0ooo0k.java
@@ -0,0 +1,16 @@
+class Solution {
+    public int missingNumber(int[] nums) {
+        int n = nums.length;
+        boolean[] dp = new boolean[n+1];
+
+        for(int i=0; i<n; i++) {
+            dp[nums[i]]=true;
+        }
+
+        for(int i=0; i<=n; i++) {
+            if(dp[i]==false) return i;
+        }
+        return 0;
+    }
+}
+

From 93e06c19362a14ecfdb0e1bdf735418e0d27f05f Mon Sep 17 00:00:00 2001
From: s0___0k <61587396+s0ooo0k@users.noreply.github.com>
Date: Mon, 20 Oct 2025 23:11:20 +0900
Subject: [PATCH 2/3] Add Counting bits Solution

---
 counting-bits/s0ooo0k.java | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 counting-bits/s0ooo0k.java

diff --git a/counting-bits/s0ooo0k.java b/counting-bits/s0ooo0k.java
new file mode 100644
index 000000000..431bc9d81
--- /dev/null
+++ b/counting-bits/s0ooo0k.java
@@ -0,0 +1,11 @@
+class Solution {
+    public int[] countBits(int n) {
+        int[] arr = new int[n + 1];
+        
+        for (int i = 1; i <= n; i++) {
+            arr[i] = arr[i >> 1] + (i & 1);
+        }
+        
+        return arr;
+    }
+}
\ No newline at end of file

From ed9eaee2abb21dda331327de9d5f5f962a229667 Mon Sep 17 00:00:00 2001
From: s0___0k <61587396+s0ooo0k@users.noreply.github.com>
Date: Mon, 20 Oct 2025 23:12:15 +0900
Subject: [PATCH 3/3] Add Counting bits Solutions

---
 counting-bits/s0ooo0k.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/counting-bits/s0ooo0k.java b/counting-bits/s0ooo0k.java
index 431bc9d81..ca95c917e 100644
--- a/counting-bits/s0ooo0k.java
+++ b/counting-bits/s0ooo0k.java
@@ -8,4 +8,5 @@ public int[] countBits(int n) {
         
         return arr;
     }
-}
\ No newline at end of file
+}
+