add 2562

fishercoder1534 · fishercoder1534 · commit 9d3efbdf40e4 · 2023-02-11T20:59:00.000-08:00
diff --git a/README.md b/README.md
@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ &#9733;
 
 | #    |      Title     | Solutions                                                                                                                                | Video                                                                         | Difficulty                       | Tag                  
 |------|----------------|------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------|----------------------------------|-------------
+| 2562 |[Find the Array Concatenation Value](https://leetcode.com/problems/find-the-array-concatenation-value/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2562.java)                                                                     |                                                                               | Easy                             |
 | 2559 |[Count Vowel Strings in Ranges](https://leetcode.com/problems/count-vowel-strings-in-ranges/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2559.java)                                                                     |                                                                               | Medium                           |
 | 2558 |[Take Gifts From the Richest Pile](https://leetcode.com/problems/take-gifts-from-the-richest-pile/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2558.java)                                                                     |                                                                               | Easy                             |
 | 2554 |[Maximum Number of Integers to Choose From a Range I](https://leetcode.com/problems/maximum-number-of-integers-to-choose-from-a-range-i/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2554.java)                                                                     |                                                                               | Medium                           |
diff --git a/src/main/java/com/fishercoder/solutions/_2562.java b/src/main/java/com/fishercoder/solutions/_2562.java
@@ -0,0 +1,26 @@
+package com.fishercoder.solutions;
+
+public class _2562 {
+    public static class Solution1 {
+        public long findTheArrayConcVal(int[] nums) {
+            long sum = 0;
+            int left = 0;
+            int right = nums.length - 1;
+            while (left < right) {
+                int first = nums[left++];
+                int last = nums[right--];
+                int times = 1;
+                sum += last;
+                while (last != 0) {
+                    last /= 10;
+                    times *= 10;
+                }
+                sum += first * times;
+            }
+            if (left == right) {
+                sum += nums[left];
+            }
+            return sum;
+        }
+    }
+}
