Merge pull request neetcode-gh#1620 from loczek/0448-find-all-numbers-disappeared-in-an-array

Create: 0448-find-all-numbers-disappeared-in-an-array.ts

Author: Ahmad-A0

typescript/0448-find-all-numbers-disappeared-in-an-array.ts

@@ -0,0 +1,16 @@
+function findDisappearedNumbers(nums: number[]): number[] {
+    for (const n of nums) {
+        let i = Math.abs(n) - 1;
+        nums[i] = -1 * Math.abs(nums[i]);
+    }
+
+    let res: number[] = [];
+
+    for (let [i, n] of nums.entries()) {
+        if (n > 0) {
+            res.push(i + 1);
+        }
+    }
+
+    return res;
+}