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Company

X

San Francisco, California, United States

X (formerly Twitter) is an American social media platform for real-time sharing and discussions.

Mix

Easy

6

Med

25

Hard

10

Headquarters: San Francisco, California, United States
Founded: 2006
Website: xinhuanet.com

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Question bank

Interview questions.

Frequently asked coding problems at X.

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10 of 41 questions

#001Regular Expression Matching
Hard
#002Integer to Roman
Med
#003Valid Parentheses
Easy
#004Merge k Sorted Lists
Hard
#005Trapping Rain Water
Hard
#006Multiply Strings
Med
#007Wildcard Matching
Hard
#008Merge Intervals
Med
#009Permutation Sequence
Hard
#010Pascal's Triangle
Easy

Showing 10 of 41