Valve Coding Interview Questions

We track 3 coding questions asked at Valve, tagged with the algorithms and concepts they test. The most common: String, Counting, Design, Greedy, Queue.

Browse all 3 Valve questions →

Concept mix

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

String44.4%
Counting11.1%
Design11.1%
Greedy11.1%
Queue11.1%
Simulation11.1%

How many questions involve each concept

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

String66.7%
Counting33.3%
Design33.3%
Greedy33.3%
Queue33.3%
Simulation33.3%

Where Valve differs from the average company

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

String4.7×

Valve specialties

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

Difficulty mix

Level split of the 3 tracked Valve questions.

Junior33% (1)
Mid/Senior67% (2)

Every concept in Valve interviews

Concept	Questions	% of questions	Share of mix
String	2	66.7%	44.4%
Counting	1	33.3%	11.1%
Design	1	33.3%	11.1%
Greedy	1	33.3%	11.1%
Queue	1	33.3%	11.1%
Simulation	1	33.3%	11.1%

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