Update Problems solved count of progress

README.md

@@ -4,7 +4,7 @@
 ![Leetcode](./logo.png?style=centerme)
 
 ## Progress
-[Problem Status](#problem-status) shows the latest progress to all 1000+ questions. Currently we have 277 completed solutions. Note: questions with ♥ mark means that you have to **Subscript to premium membership** of LeetCode to unlock them.
+[Problem Status](#problem-status) shows the latest progress to all 1000+ questions. Currently we have 278 completed solutions. Note: questions with ♥ mark means that you have to **Subscript to premium membership** of LeetCode to unlock them.
 
 ## Contributors
 
@@ -489,6 +489,7 @@
 | Solution | Number | Title | Difficulty |
 | -------- | ------ | ----- | ---------- |
 | [Swift](./LinkedList/LFUCache.swift)	|	460	|	[LFU Cache](https://oj.leetcode.com/problems/lfu-cache/)	| Hard	|
+| [Swift](./Array/FindDisappearedNumbers.swift)| 448| [Find All Numbers Disappeared in an Array](https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/)| Easy|
 | [Swift](./DFS/CombinationSumIV.swift)	|	377	|	[Combination Sum IV](https://leetcode.com/problems/combination-sum-iv/)	|	Medium
 |		|	376	|	[Wiggle Subsequence](https://leetcode.com/problems/wiggle-subsequence/)	|	Medium
 |	[Swift](./DP/GuessNumberHigherOrLowerII.swift)	|	375	|	[Guess Number Higher or Lower II](https://leetcode.com/problems/guess-number-higher-or-lower-ii/)	|	Medium