Question 1

Mark Elements on Array by Performing Queries — Barclays Interview Question

Accepted Answer

"Mark Elements on Array by Performing Queries" is a medium difficulty problem asked at Barclays interviews. It covers the following topics: Array, Hash Table, Sorting, Heap (Priority Queue), Simulation. You can practice it on LeetCode: https://leetcode.com/problems/mark-elements-on-array-by-performing-queries

Question 2

Furthest Point From Origin — Barclays Interview Question

Accepted Answer

"Furthest Point From Origin" is a easy difficulty problem asked at Barclays interviews. It covers the following topics: String, Counting. You can practice it on LeetCode: https://leetcode.com/problems/furthest-point-from-origin

Question 3

Count Submatrices with Top-Left Element and Sum Less Than k — Barclays Interview Question

Accepted Answer

"Count Submatrices with Top-Left Element and Sum Less Than k" is a medium difficulty problem asked at Barclays interviews. It covers the following topics: Array, Matrix, Prefix Sum. You can practice it on LeetCode: https://leetcode.com/problems/count-submatrices-with-top-left-element-and-sum-less-than-k

Question 4

Double Modular Exponentiation — Barclays Interview Question

Accepted Answer

"Double Modular Exponentiation" is a medium difficulty problem asked at Barclays interviews. It covers the following topics: Array, Math, Simulation. You can practice it on LeetCode: https://leetcode.com/problems/double-modular-exponentiation

Question 5

Lexicographically Smallest Generated String — Barclays Interview Question

Accepted Answer

"Lexicographically Smallest Generated String" is a hard difficulty problem asked at Barclays interviews. It covers the following topics: String, Greedy, String Matching. You can practice it on LeetCode: https://leetcode.com/problems/lexicographically-smallest-generated-string

Question 6

Maximum Employees to Be Invited to a Meeting — Barclays Interview Question

Accepted Answer

"Maximum Employees to Be Invited to a Meeting" is a hard difficulty problem asked at Barclays interviews. It covers the following topics: Depth-First Search, Graph, Topological Sort. You can practice it on LeetCode: https://leetcode.com/problems/maximum-employees-to-be-invited-to-a-meeting

#	Question Title	Difficulty	Frequency	Topics
1	Mark Elements on Array by Performing Queries	MEDIUM	100.0	ArrayHash TableSorting+2
2	Furthest Point From Origin	EASY	100.0	StringCounting
3	Count Submatrices with Top-Left Element and Sum Less Than k	MEDIUM	100.0	ArrayMatrixPrefix Sum
4	Double Modular Exponentiation	MEDIUM	100.0	ArrayMathSimulation
5	Lexicographically Smallest Generated String	HARD	77.9	StringGreedyString Matching
6	Maximum Employees to Be Invited to a Meeting	HARD	71.0	Depth-First SearchGraphTopological Sort
7	Number of Islands	MEDIUM	71.0	ArrayDepth-First SearchBreadth-First Search+2
8	Valid Parentheses	EASY	71.0	StringStack
9	Two Sum	EASY	71.0	ArrayHash Table
10	Minimum Number of Refueling Stops	HARD	71.0	ArrayDynamic ProgrammingGreedy+1

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