Question 1

Split Array with Equal Sum — Alibaba Interview Question

Accepted Answer

"Split Array with Equal Sum" is a hard difficulty problem asked at Alibaba interviews. It covers the following topics: Array, Hash Table, Prefix Sum. You can practice it on LeetCode: https://leetcode.com/problems/split-array-with-equal-sum

Question 2

Split Concatenated Strings — Alibaba Interview Question

Accepted Answer

"Split Concatenated Strings" is a medium difficulty problem asked at Alibaba interviews. It covers the following topics: Array, String, Greedy. You can practice it on LeetCode: https://leetcode.com/problems/split-concatenated-strings

Question 3

Path Sum IV — Alibaba Interview Question

Accepted Answer

"Path Sum IV" is a medium difficulty problem asked at Alibaba interviews. It covers the following topics: Array, Hash Table, Tree, Depth-First Search, Binary Tree. You can practice it on LeetCode: https://leetcode.com/problems/path-sum-iv

Question 4

Valid Parenthesis String — Alibaba Interview Question

Accepted Answer

"Valid Parenthesis String" is a medium difficulty problem asked at Alibaba interviews. It covers the following topics: String, Dynamic Programming, Stack, Greedy. You can practice it on LeetCode: https://leetcode.com/problems/valid-parenthesis-string

Question 5

Longest Substring Without Repeating Characters — Alibaba Interview Question

Accepted Answer

"Longest Substring Without Repeating Characters" is a medium difficulty problem asked at Alibaba interviews. It covers the following topics: Hash Table, String, Sliding Window. You can practice it on LeetCode: https://leetcode.com/problems/longest-substring-without-repeating-characters

#	Question Title	Difficulty	Frequency	Topics
1	Split Array with Equal Sum	HARD	100.0	ArrayHash TablePrefix Sum
2	Split Concatenated Strings	MEDIUM	100.0	ArrayStringGreedy
3	Path Sum IV	MEDIUM	100.0	ArrayHash TableTree+2
4	Valid Parenthesis String	MEDIUM	100.0	StringDynamic ProgrammingStack+1
5	Longest Substring Without Repeating Characters	MEDIUM	63.7	Hash TableStringSliding Window

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