diff --git a/Wilson_Eze/Day 01- twoSum/Day1.jpg b/Wilson_Eze/Day 01- twoSum/Day1.jpg
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diff --git a/Wilson_Eze/Day 01- twoSum/Two-sum.js b/Wilson_Eze/Day 01- twoSum/Two-sum.js
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+++ b/Wilson_Eze/Day 01- twoSum/Two-sum.js	
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+/**
+ * @param {number[]} nums
+ * @param {number} target
+ * @return {number[]}
+ */
+var twoSum = function(nums, target) {
+    for (let i = 0; i < nums.length; i++) {
+    for (let j = i + 1; j < nums.length; j++) {
+      if (nums[i] + nums[j] === target) return [i, j];
+    }
+  }
+};
+
diff --git a/Wilson_Eze/Day 02-removeDuplicatesFromSortedArray/Day2 - Remove Duplicates from Sorted Array.jpg b/Wilson_Eze/Day 02-removeDuplicatesFromSortedArray/Day2 - Remove Duplicates from Sorted Array.jpg
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diff --git a/Wilson_Eze/Day 02-removeDuplicatesFromSortedArray/RemoveDuplicatesFromSortedArray.js b/Wilson_Eze/Day 02-removeDuplicatesFromSortedArray/RemoveDuplicatesFromSortedArray.js
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+++ b/Wilson_Eze/Day 02-removeDuplicatesFromSortedArray/RemoveDuplicatesFromSortedArray.js	
@@ -0,0 +1,18 @@
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+ var nums = [2, 24, 19, 24, 32, 45, 2, 88, 89, 88];
+
+ var removeDuplicates = function(nums) {
+   let sort = 0;
+   for (let i = 0; i < nums.length; i++){
+     if (nums[i] !== nums[i-1]){
+       nums[sort] = nums[i];
+       sort++;
+      }
+   }  
+   return sort;
+ };
+ 
+ 
diff --git a/Wilson_Eze/Day 03- removeElements/Day3 - Remove Element.jpg b/Wilson_Eze/Day 03- removeElements/Day3 - Remove Element.jpg
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diff --git a/Wilson_Eze/Day 03- removeElements/removeElements.js b/Wilson_Eze/Day 03- removeElements/removeElements.js
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+++ b/Wilson_Eze/Day 03- removeElements/removeElements.js	
@@ -0,0 +1,15 @@
+/**
+ * @param {number[]} nums
+ * @param {number} val
+ * @return {number}
+ */
+ var removeElement = function(nums, val) {
+  let count = 0;
+   for (let i = 0; i < nums.length; i++) {
+     if (nums[i] != val) {
+       nums[count] = nums[i];
+       count++;
+     }
+   }
+   return count;   
+ };
\ No newline at end of file
diff --git a/Wilson_Eze/Day 04-search Insert position/Day4 - Search Insert Position.jpg b/Wilson_Eze/Day 04-search Insert position/Day4 - Search Insert Position.jpg
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diff --git a/Wilson_Eze/Day 04-search Insert position/searchInsertPosition.js b/Wilson_Eze/Day 04-search Insert position/searchInsertPosition.js
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index 0000000..0e7ad35
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+++ b/Wilson_Eze/Day 04-search Insert position/searchInsertPosition.js	
@@ -0,0 +1,19 @@
+/**
+ * @param {number[]} nums
+ * @param {number} target
+ * @return {number}
+ */
+ var searchInsert = function(nums, target) {
+  for (let i = 0; i < nums.length; i++) {
+    if (nums[i] === target) return i;
+  }
+  for (let j = 0; j < nums.length; j++) {
+    if (nums[j] < target) {
+      nums[j] = nums[j];
+    }
+    if (nums[j] > target) {
+      return j;
+    }
+  }
+  return nums.length;  
+};
\ No newline at end of file
diff --git a/Wilson_Eze/Day 05 -Plus One/Day5 - Plus One.jpg b/Wilson_Eze/Day 05 -Plus One/Day5 - Plus One.jpg
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diff --git a/Wilson_Eze/Day 05 -Plus One/plusOne.js b/Wilson_Eze/Day 05 -Plus One/plusOne.js
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index 0000000..782a1b8
--- /dev/null
+++ b/Wilson_Eze/Day 05 -Plus One/plusOne.js	
@@ -0,0 +1,8 @@
+/**
+ * @param {number[]} digits
+ * @return {number[]}
+ */
+var plusOne = function(digits) {
+   const num = "" + (BigInt(digits.join("")) + 1n);
+  return num.split(""); 
+};
\ No newline at end of file
diff --git a/Wilson_Eze/Day 06-merge Sorted Array/Day6 - Merge Sorted Array.jpg b/Wilson_Eze/Day 06-merge Sorted Array/Day6 - Merge Sorted Array.jpg
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diff --git a/Wilson_Eze/Day 06-merge Sorted Array/mergeSortedArray.js b/Wilson_Eze/Day 06-merge Sorted Array/mergeSortedArray.js
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index 0000000..9bbbeae
--- /dev/null
+++ b/Wilson_Eze/Day 06-merge Sorted Array/mergeSortedArray.js	
@@ -0,0 +1,21 @@
+/**
+ * @param {number[]} nums1
+ * @param {number} m
+ * @param {number[]} nums2
+ * @param {number} n
+ * @return {void} Do not return anything, modify nums1 in-place instead.
+ */
+ var merge = function(nums1, m, nums2, n) {
+  let count = 0;
+  for (let i = 0; i > m && i < nums1.length; i++) {
+    if (nums1[i] !== 0) {
+      nums1[count++] = nums1[i];
+    }
+  }
+  nums1.length = m;
+  for (let j = 0; j < nums2.length; j++) {
+    nums1.push(nums2[j]);
+  }
+  nums1.sort((a, b) => a - b);
+  return nums1;  
+};
\ No newline at end of file
diff --git a/Wilson_Eze/Day 07-Subset II/Day7 - Subsets II.jpg b/Wilson_Eze/Day 07-Subset II/Day7 - Subsets II.jpg
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diff --git a/Wilson_Eze/Day 07-Subset II/subsetII.js b/Wilson_Eze/Day 07-Subset II/subsetII.js
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index 0000000..ca92168
--- /dev/null
+++ b/Wilson_Eze/Day 07-Subset II/subsetII.js	
@@ -0,0 +1,25 @@
+/**
+ * @param {number[]} nums
+ * @return {number[][]}
+ */
+ var subsetsWithDup = function(nums) {
+  nums.sort();
+ const set = [[]];
+ let count, subSet, setLength;
+ for (let i = 0; i < nums.length; i++) {
+   count = 1;
+   while (nums[i + 1] && nums[i + 1] == nums[i]) {
+     count++;
+     i++;
+   }
+   setLength = set.length;
+   for (let j = 0; j < setLength; j++) {
+     subSet = set[j].slice();
+     for (let x = 1; x <= count; x++) {
+       if (x > 0) subSet.push(nums[i]);
+       set.push(subSet.slice());
+     }
+   }
+ }
+ return set; 
+};
\ No newline at end of file
diff --git a/Wilson_Eze/Day 08 - Converting sorted array to Binary search tree/Day8 - Convert Sorted Array to Binary Search Tree.jpg b/Wilson_Eze/Day 08 - Converting sorted array to Binary search tree/Day8 - Convert Sorted Array to Binary Search Tree.jpg
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diff --git a/Wilson_Eze/Day 08 - Converting sorted array to Binary search tree/convertSortedArrayToBinarySearchTree.js b/Wilson_Eze/Day 08 - Converting sorted array to Binary search tree/convertSortedArrayToBinarySearchTree.js
new file mode 100644
index 0000000..096b893
--- /dev/null
+++ b/Wilson_Eze/Day 08 - Converting sorted array to Binary search tree/convertSortedArrayToBinarySearchTree.js	
@@ -0,0 +1,20 @@
+/**
+ * Definition for a binary tree node.
+ * function TreeNode(val, left, right) {
+ *     this.val = (val===undefined ? 0 : val)
+ *     this.left = (left===undefined ? null : left)
+ *     this.right = (right===undefined ? null : right)
+ * }
+ */
+/**
+ * @param {number[]} nums
+ * @return {TreeNode}
+ */
+ var sortedArrayToBST = function(nums) {
+  if (nums.length === 0) return null;
+ const mid = Math.floor(nums.length / 2);
+ const root = new TreeNode(nums[mid]);
+ root.left = sortedArrayToBST(nums.slice(0, mid));
+ root.right = sortedArrayToBST(nums.slice(mid + 1));
+ return root; 
+};
\ No newline at end of file
diff --git a/Wilson_Eze/Day 09 - Pascal Triangle/Day9 - Pascals Triangle I.jpg b/Wilson_Eze/Day 09 - Pascal Triangle/Day9 - Pascals Triangle I.jpg
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diff --git a/Wilson_Eze/Day 09 - Pascal Triangle/pascalTriangel1.js b/Wilson_Eze/Day 09 - Pascal Triangle/pascalTriangel1.js
new file mode 100644
index 0000000..c87b3a9
--- /dev/null
+++ b/Wilson_Eze/Day 09 - Pascal Triangle/pascalTriangel1.js	
@@ -0,0 +1,18 @@
+/**
+ * @param {number} numRows
+ * @return {number[][]}
+ */
+ var generate = function(numRows) {
+  if (numRows === 0) return [];
+  if (numRows === 1) return [[1]];
+  let result = [];
+  for (let row = 1; row <= numRows; row++) {
+    let arr = [];
+    for (let col = 0; col < row; col++) {
+      if (col === 0 || col === row - 1) arr.push(1);
+      else arr.push(result[row - 2][col - 1] + result[row - 2][col]);
+    }
+    result.push(arr);
+  }
+  return result;  
+};
\ No newline at end of file
diff --git a/Wilson_Eze/Day 10 - Pascal Triangle II/Day10 - Pascals Triangle II.jpg b/Wilson_Eze/Day 10 - Pascal Triangle II/Day10 - Pascals Triangle II.jpg
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diff --git a/Wilson_Eze/Day 10 - Pascal Triangle II/pascalTriangleII.js b/Wilson_Eze/Day 10 - Pascal Triangle II/pascalTriangleII.js
new file mode 100644
index 0000000..ecc2ec4
--- /dev/null
+++ b/Wilson_Eze/Day 10 - Pascal Triangle II/pascalTriangleII.js	
@@ -0,0 +1,18 @@
+/**
+ * @param {number} rowIndex
+ * @return {number[]}
+ */
+ var getRow = function(rowIndex) {
+  if (rowIndex === 0) return [1];
+
+  let result = [];
+  for (let row = 1; row <= rowIndex + 1; row++) {
+    let arr = [];
+    for (let col = 0; col < row; col++) {
+      if (col === 0 || col === row - 1) arr.push(1);
+      else arr.push(result[row - 2][col - 1] + result[row - 2][col]);
+    }
+    result.push(arr);
+  }
+  return result[rowIndex];  
+};
\ No newline at end of file
diff --git a/Wilson_Eze/Day11 - Length of Last Word/Day11 - Length of Last Word.jpg b/Wilson_Eze/Day11 - Length of Last Word/Day11 - Length of Last Word.jpg
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diff --git a/Wilson_Eze/Day11 - Length of Last Word/lengthoflastword.js b/Wilson_Eze/Day11 - Length of Last Word/lengthoflastword.js
new file mode 100644
index 0000000..6461045
--- /dev/null
+++ b/Wilson_Eze/Day11 - Length of Last Word/lengthoflastword.js	
@@ -0,0 +1,20 @@
+/**
+ * @param {string} s
+ * @return {number}
+ */
+ var lengthOfLastWord = function(s) {
+    let len = 0;
+  
+     x = s.trim();
+  
+     for (let i = 0; i < x.length; i++) {
+         if (x[i] == ' ') {
+             len = 0;
+         }
+         else {
+             len++;
+         }
+     }
+  
+     return len; 
+ };
\ No newline at end of file