refactor: fix redundant check

alxkm · alxkm · commit 4083875233a3 · 2024-08-29T22:12:00.000+02:00
diff --git a/src/main/java/com/thealgorithms/strings/WordLadder.java b/src/main/java/com/thealgorithms/strings/WordLadder.java
@@ -50,8 +50,7 @@ public static int ladderLength(String beginWord, String endWord, List<String> wo
                         if (newWord.equals(endWord)) {
                             return level + 1;
                         }
-                        if (wordSet.contains(newWord)) {
-                            wordSet.remove(newWord);
+                        if (wordSet.remove(newWord)) {
                             queue.offer(newWord);
                         }
                     }

Original file line number	Diff line number	Diff line change
`@@ -50,8 +50,7 @@ public static int ladderLength(String beginWord, String endWord, List<String> wo`
`50`	`50`	`if (newWord.equals(endWord)) {`
`51`	`51`	`return level + 1;`
`52`	`52`	`}`
`53`		`- if (wordSet.contains(newWord)) {`
`54`		`- wordSet.remove(newWord);`
	`53`	`+ if (wordSet.remove(newWord)) {`
`55`	`54`	`queue.offer(newWord);`
`56`	`55`	`}`
`57`	`56`	`}`