Merge pull request #1874 from CodingTestStudy2/염혜정

[염혜정] Day22

Author: github-actions[bot]

leetcode3/염혜정/3992. Rearrange String to Avoid Character Pair.java

@@ -0,0 +1,16 @@
+// O(n)
+
+class Solution {
+    public String rearrangeString(String s, char x, char y) {
+        StringBuilder left = new StringBuilder();
+        StringBuilder mid = new StringBuilder();
+        StringBuilder right = new StringBuilder();
+
+        for (char c : s.toCharArray()) {
+            if (c == y) left.append(c);
+            else if (c == x) right.append(c);
+            else mid.append(c);
+        }
+        return left.toString() + mid.toString() + right.toString();
+    }
+}