109.convert-sorted-list-to-binary-search-tree.pdf
106.1 KB
leetcode.com 2023-03-11
🟡109.convert-sorted-list-to-binary-search-tree
🏷️ Tags
#linked_list #divide_and_conquer #tree #binary_search_tree #binary_tree
🟡109.convert-sorted-list-to-binary-search-tree
🏷️ Tags
#linked_list #divide_and_conquer #tree #binary_search_tree #binary_tree
1617.count-subtrees-with-max-distance-between-cities.pdf
94.4 KB
leetcode.cn 2023-03-12
🔴1617.count-subtrees-with-max-distance-between-cities
🏷️ Tags
#bit_manipulation #tree #dynamic_programming #bitmask #enumeration
🔴1617.count-subtrees-with-max-distance-between-cities
🏷️ Tags
#bit_manipulation #tree #dynamic_programming #bitmask #enumeration
23.merge-k-sorted-lists.pdf
66.1 KB
leetcode.com 2023-03-12
🔴23.merge-k-sorted-lists
🏷️ Tags
#linked_list #divide_and_conquer #heap_priority_queue #merge_sort
🔴23.merge-k-sorted-lists
🏷️ Tags
#linked_list #divide_and_conquer #heap_priority_queue #merge_sort
101.symmetric-tree.pdf
85.5 KB
leetcode.com 2023-03-13
🟢101.symmetric-tree
🏷️ Tags
#tree #depth_first_search #breadth_first_search #binary_tree
🟢101.symmetric-tree
🏷️ Tags
#tree #depth_first_search #breadth_first_search #binary_tree
1605.find-valid-matrix-given-row-and-column-sums.pdf
80.5 KB
leetcode.cn 2023-03-14
🟡1605.find-valid-matrix-given-row-and-column-sums
🏷️ Tags
#greedy #array #matrix
🟡1605.find-valid-matrix-given-row-and-column-sums
🏷️ Tags
#greedy #array #matrix
958.check-completeness-of-a-binary-tree.pdf
72.7 KB
leetcode.com 2023-03-15
🟡958.check-completeness-of-a-binary-tree
🏷️ Tags
#tree #breadth_first_search #binary_tree
🟡958.check-completeness-of-a-binary-tree
🏷️ Tags
#tree #breadth_first_search #binary_tree
106_construct_binary_tree_from_inorder_and_postorder_traversal.pdf
71.3 KB
leetcode.com 2023-03-16
🟡106.construct-binary-tree-from-inorder-and-postorder-traversal
🏷️ Tags
#array #hash_table #divide_and_conquer #tree #binary_tree
🟡106.construct-binary-tree-from-inorder-and-postorder-traversal
🏷️ Tags
#array #hash_table #divide_and_conquer #tree #binary_tree
2389.longest-subsequence-with-limited-sum.pdf
77.4 KB
leetcode.cn 2023-03-17
🟢2389.longest-subsequence-with-limited-sum
🏷️ Tags
#greedy #array #binary_search #prefix_sum #sorting
🟢2389.longest-subsequence-with-limited-sum
🏷️ Tags
#greedy #array #binary_search #prefix_sum #sorting
1472.design-browser-history.pdf
62.8 KB
leetcode.com 2023-03-18
🟡1472.design-browser-history
🏷️ Tags
#array #linked_list #stack #design #doubly_linked_list #data_stream
🟡1472.design-browser-history
🏷️ Tags
#array #linked_list #stack #design #doubly_linked_list #data_stream
1625_lexicographically_smallest_string_after_applying_operations.pdf
91.1 KB
leetcode.cn 2023-03-19
🟡1625.lexicographically-smallest-string-after-applying-operations
🏷️ Tags
#breadth_first_search #string
🟡1625.lexicographically-smallest-string-after-applying-operations
🏷️ Tags
#breadth_first_search #string
211.design-add-and-search-words-data-structure.pdf
59.4 KB
leetcode.com 2023-03-19
🟡211.design-add-and-search-words-data-structure
🏷️ Tags
#string #depth_first_search #design #trie
🟡211.design-add-and-search-words-data-structure
🏷️ Tags
#string #depth_first_search #design #trie