Question 1

Check if an Original String Exists Given Two Encoded Strings — bitgo Interview Question

Accepted Answer

"Check if an Original String Exists Given Two Encoded Strings" is a hard difficulty problem asked at bitgo interviews. It covers the following topics: String, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/check-if-an-original-string-exists-given-two-encoded-strings

Question 2

Gas Station — bitgo Interview Question

Accepted Answer

"Gas Station" is a medium difficulty problem asked at bitgo interviews. It covers the following topics: Array, Greedy. You can practice it on LeetCode: https://leetcode.com/problems/gas-station

Question 3

Number of Islands — bitgo Interview Question

Accepted Answer

"Number of Islands" is a medium difficulty problem asked at bitgo interviews. It covers the following topics: Array, Depth-First Search, Breadth-First Search, Union Find, Matrix. You can practice it on LeetCode: https://leetcode.com/problems/number-of-islands

Question 4

Zigzag Conversion — bitgo Interview Question

Accepted Answer

"Zigzag Conversion" is a medium difficulty problem asked at bitgo interviews. It covers the following topics: String. You can practice it on LeetCode: https://leetcode.com/problems/zigzag-conversion

Question 5

Longest Substring with At Most K Distinct Characters — bitgo Interview Question

Accepted Answer

"Longest Substring with At Most K Distinct Characters" is a medium difficulty problem asked at bitgo interviews. It covers the following topics: Hash Table, String, Sliding Window. You can practice it on LeetCode: https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters

Question 6

Bus Routes — bitgo Interview Question

Accepted Answer

"Bus Routes" is a hard difficulty problem asked at bitgo interviews. It covers the following topics: Array, Hash Table, Breadth-First Search. You can practice it on LeetCode: https://leetcode.com/problems/bus-routes

#	Question Title	Difficulty	Frequency	Topics
1	Check if an Original String Exists Given Two Encoded Strings	HARD	100.0	StringDynamic Programming
2	Gas Station	MEDIUM	88.6	ArrayGreedy
3	Number of Islands	MEDIUM	79.6	ArrayDepth-First SearchBreadth-First Search+2
4	Zigzag Conversion	MEDIUM	73.2	String
5	Longest Substring with At Most K Distinct Characters	MEDIUM	73.2	Hash TableStringSliding Window
6	Bus Routes	HARD	73.2	ArrayHash TableBreadth-First Search
7	LRU Cache	MEDIUM	73.2	Hash TableLinked ListDesign+1
8	Game of Life	MEDIUM	64.1	ArrayMatrixSimulation
9	Trapping Rain Water	HARD	64.1	ArrayTwo PointersDynamic Programming+2
10	Lowest Common Ancestor of a Binary Tree	MEDIUM	64.1	TreeDepth-First SearchBinary Tree

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