diff --git a/contains-duplicate/Lustellz.ts b/contains-duplicate/Lustellz.ts
new file mode 100644
index 000000000..c3250a573
--- /dev/null
+++ b/contains-duplicate/Lustellz.ts
@@ -0,0 +1,7 @@
+function containsDuplicate(nums: number[]): boolean {
+    let tmp: number[] = nums.toSorted()
+    for(let i = 0 ; i < nums.length - 1 ; i++){
+        if(tmp[i]===tmp[i+1]) return true
+    }
+   return false 
+};
diff --git a/two-sum/Lustellz.ts b/two-sum/Lustellz.ts
new file mode 100644
index 000000000..6a8758c3c
--- /dev/null
+++ b/two-sum/Lustellz.ts
@@ -0,0 +1,6 @@
+function twoSum(nums: number[], target: number){
+    for(let i = 0; i < nums.length; i++){
+        for(let j = i+1; nums.length-j;j++)
+        if(nums[j] === target - nums[i]) return [i, j]
+    }
+};