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Barclays Problems
Master the most frequently asked interview questions for this company.
ID
Title
Difficulty
Topics
3080
Mark Elements on Array by Performing Queries
Medium
Array
Hash Table
2833
Furthest Point From Origin
Easy
String
Counting
3070
Count Submatrices with Top-Left Element and Sum Less Than k
Medium
Array
Matrix
2961
Double Modular Exponentiation
Medium
Array
Math
3474
Lexicographically Smallest Generated String
Hard
String
Greedy
2127
Maximum Employees to Be Invited to a Meeting
Hard
Depth-First Search
Graph
200
Number of Islands
Medium
Array
Depth-First Search
20
Valid Parentheses
Easy
String
Stack
1
Two Sum
Easy
Array
Hash Table
871
Minimum Number of Refueling Stops
Hard
Array
Dynamic Programming
15
3Sum
Medium
Array
Two Pointers
205
Isomorphic Strings
Easy
Hash Table
String
88
Merge Sorted Array
Easy
Array
Two Pointers
53
Maximum Subarray
Medium
Array
Divide and Conquer
234
Palindrome Linked List
Easy
Linked List
Two Pointers
386
Lexicographical Numbers
Medium
Depth-First Search
Trie
46
Permutations
Medium
Array
Backtracking
70
Climbing Stairs
Easy
Math
Dynamic Programming
