0225-Implement-Stack-using-Queues 0226-Invert-Binary-Tree 0227-Basic-Calculator-II 0230-Kth-Smallest-Element-in-a-BST 0232-Implement-Queue-using-Stacks 0234-Palindrome-Linked-List 0235-Lowest-Common-Ancestor-of-a-Binary-Search-Tree 0236-Lowest-Common-Ancestor-of-a-Binary-T...
Arrays.fill(trie[row], 0); } Arrays.fill(count, 0); index = 0; } public void insert(String s) { int p = 0; for (int i = 0; i < s.length(); i++) { int u = s.charAt(i) - 'a'; if (trie[p][u] == 0) trie[p][u] = ++index; ...
0232-Implement-Queue-using-Stacks 0234-Palindrome-Linked-List 0235-Lowest-Common-Ancestor-of-a-Binary-Search-Tree 0236-Lowest-Common-Ancestor-of-a-Binary-Tree 0237-Delete-Node-in-a-Linked-List 0239-Sliding-Window-Maximum 0242-Valid-Anagram 0243-Shortest-Word-Distance 0244-...