4 rounds·2-4 weeks·7 patterns·20% hard

Key patterns

Showing 3 of 7

1arrays hashing

medium90%

2graphs

medium80%

3trees

medium75%

4string

medium70%

5dp 1d

medium65%

+4 more patterns

Common questions

Showing 3 of 5

LRU Cachevery common

Number of Islandscommon

Group Anagramscommon

Longest Substring Without Repeating Characterscommon

Top K Frequent Elementscommon

+2 more must-know questions

Showing 1 of 4 rounds

1. Recruiter screen30 min

backgroundmotivation

2. Technical phone - coding + problem solving60 min

algorithmsdata-structures

+3 more interview rounds

Pacemoderate

Optimal requiredno

Hints givenyes

1/5

Entry$XXX,XXX

Mid$XXX,XXX

Senior$XXX,XXX

Enter your interview date → we prioritize Reddit's top patterns → you get a day-by-day schedule.

The average Reddit candidate needs 13 hours to cover all patterns.