KLA Interview Questions — 8 DSA Problems

8 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked KLA LeetCode questions for software engineering interviews.

Maximum Product of First and Last Elements of a Subsequence (MEDIUM) — Array, Two Pointers
Reaching Points (HARD) — Math
LRU Cache (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
Roman to Integer (EASY) — Hash Table, Math, String
LFU Cache (HARD) — Hash Table, Linked List, Design, Doubly-Linked List
Maximum Swap (MEDIUM) — Math, Greedy
Two Sum (EASY) — Array, Hash Table
Find Median from Data Stream (HARD) — Two Pointers, Design, Sorting, Heap (Priority Queue), Data Stream

Interview Prep/Companies/KLA

K

KLA

8 questions tracked8 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 8 of 8 questions

1

MediumMaximum Product of First and Last Elements of a Subsequence✓ Our Solution

100

ArrayTwo Pointers

LeetCode ↗30% acc.

2

HardReaching Points✓ Our Solution

80

Math

LeetCode ↗34% acc.

3

MediumLRU Cache✓ Our Solution

80

Hash TableLinked ListDesignDoubly-Linked List

LeetCode ↗45% acc.

4

EasyRoman to Integer✓ Our Solution

71

Hash TableMathString

LeetCode ↗65% acc.

5

HardLFU Cache✓ Our Solution

71

Hash TableLinked ListDesignDoubly-Linked List

LeetCode ↗47% acc.

6

MediumMaximum Swap✓ Our Solution

71

MathGreedy

LeetCode ↗52% acc.

7

EasyTwo Sum✓ Our Solution

71

ArrayHash Table

LeetCode ↗56% acc.

8

HardFind Median from Data Stream✓ Our Solution

71

Two PointersDesignSortingHeap (Priority Queue)+1

LeetCode ↗53% acc.