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编程面试题

共 224 道题。按主题或难度筛选,然后在浏览器中解题。

哈希显示第 1 至 31 条,共 31 条
29Jewels and Stones入门
31Valid Anagram简单
32Contains Duplicate简单
38Majority Element简单
52Intersection of Two Arrays简单
53Happy Number简单
66Next Greater Element I简单
68Roman to Integer简单
72First Unique Character in a String简单
78Two Sum简单
93Isomorphic Strings简单
94Longest Palindrome简单
101Permutation in String中等
103Subarray Sum Equals K中等
105Group Anagrams中等
106Top K Frequent Elements中等
107Longest Consecutive Sequence中等
108Valid Sudoku中等
120Partition Labels中等
125Word Break中等
148Longest Substring Without Repeating Characters中等
152Top View of Binary Tree中等
153Bottom View of Binary Tree中等
157Construct Binary Tree from Preorder and Inorder Traversal中等
163LRU Cache中等
172Longest Subarray with Sum K中等
174Set Matrix Zeroes中等
184Task Scheduler中等
205Minimum Window Substring困难
217Vertical Order Traversal of a Binary Tree困难
220First Missing Positive困难
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