Barclays LeetCode Questions

16 questions all-time · 5 easy · 9 medium · 2 hard

#	Problem	Difficulty	Frequency	Acceptance
1	Lexicographically Smallest Generated String String, Greedy, String Matching	Hard	100	0.5%
2	Double Modular Exponentiation Array, Math, Simulation	Medium	90	0.5%
3	Furthest Point From Origin String, Counting	Easy	90	0.8%
4	Count Submatrices with Top-Left Element and Sum Less Than k Array, Matrix, Prefix Sum	Medium	88	0.7%
5	Mark Elements on Array by Performing Queries Array, Hash Table, Sorting, Heap (Priority Queue), Simulation	Medium	88	0.5%
6	Partition Labels Hash Table, Two Pointers, String, Greedy	Medium	62	0.8%
7	Lexicographical Numbers Depth-First Search, Trie	Medium	53	0.8%
8	Valid Parentheses String, Stack	Easy	53	0.4%
9	Number of Islands Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix	Medium	53	0.6%
10	Second Highest Salary Database	Medium	53	0.5%
11	Longest Common Prefix Array, String, Trie	Easy	53	0.5%
12	Next Greater Element I Array, Hash Table, Stack, Monotonic Stack	Easy	53	0.8%
13	Reverse Words in a String Two Pointers, String	Medium	53	0.6%
14	Minimum Number of Days to Make m Bouquets Array, Binary Search	Medium	53	0.6%
15	Two Sum Array, Hash Table	Easy	53	0.6%
16	Remove Boxes Array, Dynamic Programming, Memoization	Hard	53	0.5%

How to read this list

The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.

Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.