Google

5 rounds·4-8 weeks·10 patterns·30% hard

Key patterns

Showing 3 of 10

1arrays hashing

medium95%

2binary search

medium85%

3trees

medium80%

4bfs

medium75%

5dfs

medium75%

+7 more patterns

Showing 3 of 14

Two Sumvery common

LRU Cachevery common

Number of Islandsvery common

Merge Intervalscommon

Word Searchcommon

+11 more must-know questions

Showing 1 of 5 rounds

1. Technical phone screen with Googler45 min

codingproblem-solving

2. Onsite coding round 145 min

algorithmsdata-structures

+4 more interview rounds

Pacemoderate

Optimal requiredno

Hints givenyes

1/5

Entry$XXX,XXX

Mid$XXX,XXX

Senior$XXX,XXX

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The average Google candidate needs 35 hours to cover all patterns.