persistent systems

https://persistent.com

Provides software development and digital engineering.

Problem Statistics

Breakdown of 8 problems.

Difficulty Distribution

Easy (5)

Medium (3)

Recency Distribution

Within 3-6 months (8)

Most Common Tags (Top 7)

String (5)

Hash Table (4)

Array (2)

Sorting (2)

Two Pointers (1)

Dynamic Programming (1)

Sliding Window (1)

Coding Interview Problems for persistent systems

Group Anagrams

3-6 months ago

Medium

Topics

Array

Hash Table

String

Sorting

Trending

Recent

Mock

Longest Palindromic Substring

3-6 months ago

Medium

Topics

Two Pointers

String

Dynamic Programming

Trending

Recent

Mock

Longest Substring Without Repeating Characters

3-6 months ago

Medium

Topics

Hash Table

String

Sliding Window

Trending

Recent

Mock

Minimum Bit Flips to Convert Number

3-6 months ago

Easy

Topics

Bit Manipulation

Trending

Recent

Mock

Palindrome Number

3-6 months ago

Easy

Topics

Math

Trending

Recent

Mock

Two Sum

3-6 months ago

Easy

Topics

Array

Hash Table

Trending

Recent

Mock

Valid Anagram

3-6 months ago

Easy

Topics

Hash Table

String

Sorting

Trending

Recent

Mock

Valid Parentheses

3-6 months ago

Easy

Topics

String

Stack

Trending

Recent

Mock

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