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Telstra LeetCode Interview Questions

Practice 28 real coding problems frequently asked in Telstra technical interviews. Master these questions to ace your next Telstra software engineering interview.

7 Easy
18 Medium
3 Hard

Top Topics at Telstra

ArrayStringHash TableTwo PointersSorting

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Telstra Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Merge Intervals
100%
MediumM
100%
ArraySorting
Solve→
Minimum Limit of Balls in a Bag
96%
MediumM
96%
ArrayBinary Search
Solve→
Word Ladder II
95%
HardH
95%
Hash TableString+2
Solve→
Walls and Gates
82%
MediumM
82%
ArrayBreadth-First Search+1
Solve→
Implement Queue using Stacks
81%
EasyE
81%
StackDesign+1
Solve→
Course Schedule
73%
MediumM
73%
Depth-First SearchBreadth-First Search+2
Solve→
Trips and Users
70%
HardH
70%
Database
Solve→
The kth Factor of n
67%
MediumM
67%
MathNumber Theory
Solve→
Lowest Common Ancestor of a Binary Tree III
63%
MediumM
63%
Hash TableTwo Pointers+2
Solve→
Majority Element
62%
EasyE
62%
ArrayHash Table+3
Solve→
Length of Last Word
61%
EasyE
61%
String
Solve→
Find Leaves of Binary Tree
59%
MediumM
59%
TreeDepth-First Search+1
Solve→
Logger Rate Limiter
56%
EasyE
56%
Hash TableDesign+1
Solve→
Find First and Last Position of Element in Sorted Array
55%
MediumM
55%
ArrayBinary Search
Solve→
Kth Missing Positive Number
55%
EasyE
55%
ArrayBinary Search
Solve→
N-Queens
55%
HardH
55%
ArrayBacktracking
Solve→
Remove Nth Node From End of List
49%
MediumM
49%
Linked ListTwo Pointers
Solve→
Move Pieces to Obtain a String
45%
MediumM
45%
Two PointersString
Solve→
Insert into a Sorted Circular Linked List
42%
MediumM
42%
Linked List
Solve→
Generate Parentheses
41%
MediumM
41%
StringDynamic Programming+1
Solve→
Longest Subarray of 1's After Deleting One Element
39%
MediumM
39%
ArrayDynamic Programming+1
Solve→
Remove All Adjacent Duplicates in String II
38%
MediumM
38%
StringStack
Solve→
Combination Sum
35%
MediumM
35%
ArrayBacktracking
Solve→
Merge Sorted Array
30%
EasyE
30%
ArrayTwo Pointers+1
Solve→
Product of Array Except Self
27%
MediumM
27%
ArrayPrefix Sum
Solve→

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Rank Teams by Votes
26%
MediumM
26%
ArrayHash Table+3
Solve→
Single Number
23%
EasyE
23%
ArrayBit Manipulation
Solve→
Longest Palindromic Substring
20%
MediumM
20%
Two PointersString+1
Solve→

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Frequently Asked Questions

What LeetCode problems does Telstra ask in interviews?

Telstra commonly asks 28 coding problems in technical interviews, including Merge Intervals, Minimum Limit of Balls in a Bag, Word Ladder II. The difficulty breakdown is 7 Easy, 18 Medium, and 3 Hard problems.

How should I prepare for a Telstra coding interview?

Focus on the most frequently asked problems first, especially those with high frequency scores. Telstra interviews typically emphasize Array and String. Practice explaining your thought process while coding.

What is the difficulty level of Telstra coding interviews?

Based on our data, Telstra interviews include 7 Easy (25%), 18 Medium (64%), and 3 Hard (11%) problems.

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