Merge pull request #1849 from CodingTestStudy2/이진희

[이진희] Day19

Author: github-actions[bot]

leetcode3/이진희/3978. Unique Middle Element.java

@@ -0,0 +1,11 @@
+class Solution {
+    public boolean isMiddleElementUnique(int[] nums) {
+        int target = nums[nums.length/2];
+        for(int i=0; i<nums.length; i++) {
+            if(i == nums.length/2) continue;
+            if(nums[i] == target) return false;
+        }
+
+        return true;
+    }
+}