Ericsson Coding Interview Questions

We track 3 coding questions asked at Ericsson, tagged with the algorithms and concepts they test. The most common: String, Stack, Array, Math, Recursion.

Browse all 3 Ericsson questions →

Concept mix

Each question's weight is split evenly across its concepts, so the shares sum to 100%.

String36.1%
Stack25.0%
Array11.1%
Trie11.1%
Math8.3%
Recursion8.3%

How many questions involve each concept

Share of all 3 tracked Ericsson questions that touch each concept. Questions usually involve several, so these overlap.

String100.0%
Stack66.7%
Array33.3%
Math33.3%
Recursion33.3%
Trie33.3%

Where Ericsson differs from the average company

Concept weight at Ericsson relative to the average across all companies we track. Green means Ericsson leans on it harder than most.

Stack10.0×
String3.8×

Ericsson specialties

Concepts that show up at Ericsson but are rarely asked elsewhere. They are easy to get blindsided by.

Difficulty mix

Level split of the 3 tracked Ericsson questions.

Junior67% (2)
Staff33% (1)

Every concept in Ericsson interviews

Concept	Questions	% of questions	Share of mix
String	3	100.0%	36.1%
Stack	2	66.7%	25.0%
Array	1	33.3%	11.1%
Math	1	33.3%	8.3%
Recursion	1	33.3%	8.3%
Trie	1	33.3%	11.1%

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