字符串 49
3 https://leetcode-cn.com/problems/longest-substring-without-repeating-characters
30 https://leetcode-cn.com/problems/substring-with-concatenation-of-all-words
49 https://leetcode-cn.com/problems/group-anagrams
线性表 732
16 https://leetcode-cn.com/problems/3sum-closest
27 https://leetcode-cn.com/problems/remove-element
86 https://leetcode-cn.com/problems/partition-list
732 https://leetcode-cn.com/problems/my-calendar-iii
队列 641 406 899
641 https://leetcode-cn.com/problems/design-circular-deque
406 https://leetcode-cn.com/problems/queue-reconstruction-by-height
899 https://leetcode-cn.com/problems/orderly-queue
栈 946 116 117 895
946 https://leetcode-cn.com/problems/validate-stack-sequences
116 https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node
117 https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii
895 https://leetcode-cn.com/problems/maximum-frequency-stack
哈希表 729 554
61 https://leetcode-cn.com/problems/rotate-list
729 https://leetcode-cn.com/problems/my-calendar-i
25 https://leetcode-cn.com/problems/reverse-nodes-in-k-group
554 https://leetcode-cn.com/problems/brick-wall
dfs 494 547 1254
105 https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
112 https://leetcode-cn.com/problems/path-sum
98 https://leetcode-cn.com/problems/validate-binary-search-tree
494 https://leetcode-cn.com/problems/target-sum
547 https://leetcode-cn.com/problems/number-of-provinces
1254 https://leetcode-cn.com/problems/number-of-closed-islands
bfs 1091 1129 752
1091 https://leetcode-cn.com/problems/shortest-path-in-binary-matrix
1129 https://leetcode-cn.com/problems/shortest-path-with-alternating-colors
102 https://leetcode-cn.com/problems/binary-tree-level-order-traversal
101 https://leetcode-cn.com/problems/symmetric-tree
752 https://leetcode-cn.com/problems/open-the-lock