Interview Intel
TitleTagsDifficultySuccess Rate
1. Put a ring on it.
BasicsData Structures Google
Easy 1
54% 105 / 195
2. Add to 13
Basics Microsoft
Easy 1
62% 108 / 174
3. Know your limits. (Easy version)
Data StructuresNetworking +1 Akuna Capital
Easy 1.5
30% 34 / 115
4. It's over for you. (if you can't do this)
Basics Millennium
Easy 1.5
22% 63 / 283
5. Know your limits. (Hard version)
Data StructuresBasics +1 Akuna Capital
Easy+ 2
41% 18 / 44
6. burn this image into the retina of my eye
BasicsMachine Learning Meta
Easy+ 2
85% 17 / 20
7. Crafter
AlgorithmsBasics Visa
Easy+ 2
10% 9 / 87
8. CorrelationTTV (Easy version)
Math HRTMillennium
Easy+ 2
20% 13 / 66
9. Pixel Budget
Data StructuresAlgorithms +1 Anthropic
Easy+ 2.5
100% 10 / 10
10. Ouroboros
MathAlgorithms
Easy+ 2.5
46% 16 / 35
11. Ok Garmin, save video
Data StructuresBasics Amazon
Easy+ 2.5
58% 11 / 19
12. Let's Connect! (Easy version)
Game TheoryBasics Citadel
Normal 3
71% 5 / 7
13. The Answer to the Ultimate Question of Life, the Universe, and Everything
BasicsMemory Management HRT
Normal 3
20% 24 / 123
14. Vector (Easy version)
BasicsData Structures Squarepoint
Normal 3
20% 8 / 41
15. Down the Rabbit-Hole
Machine LearningBasics +1 Jane Street
Normal 3
60% 9 / 15
16. Stronger Together
MathBasics +1 Meta
Normal 3
57% 4 / 7
17. Time-Windowed Join
Data StructuresBasics Google
Normal 3.5
25% 4 / 16
18. The Amazing Race 1
Math
Normal 3.5
17% 6 / 36
19. You're naive.
BasicsMath +1 GoogleMeta
Normal+ 4
25% 4 / 16
20. Escape the Matrix
Data StructuresMath +2 Voleon
Normal+ 4
31% 5 / 16
21. Omniscient Reader's Viewpoint
MathBasics +1 Meta
Normal+ 4
36% 4 / 11
22. We live in a simulation.
Math HRT
Normal+ 4
78% 7 / 9
23. CorrelationTTV (Hard version)
Math MillenniumHRT
Normal+ 4
11% 2 / 18
24. One step forward, two steps back
MathMachine Learning +1 Anthropic
Normal+ 4
100% 1 / 1
25. Multidimensional Virtual Arcade
Design PatternsGame Theory +1 Citadel
Normal+ 4.5
40% 2 / 5
26. Hashring
Data StructuresBasics Anthropic
Normal+ 4.5
22% 2 / 9
27. We were all SYNners.
Networking Nvidia
Hard 5
38% 3 / 8
28. Knock on wood
ConcurrencyOperating Systems +1 Nvidia
Hard 5
13% 5 / 38
29. One, Two, Skip a few...
Data StructuresMemory Management Optiver
Hard 5
50% 4 / 8
30. Do you think he clicks?
Concurrency Optiver
Hard 5
38% 5 / 13
31. Design an in-memory file system
Data StructuresDesign Patterns +1 Meta
Hard 5.5
20% 4 / 20
32. Return by Death
BasicsMachine Learning +1 Anthropic
Hard 5.5
100% 1 / 1
33. I'm single.
Design PatternsData Structures +2 Akuna Capital
Harder 6
15% 7 / 47
34. Porphyrophobia
NetworkingDesign Patterns +1 Meta
Harder 6
8% 3 / 36
35. Let's Connect! (Hard version)
Game TheoryMath Citadel
Harder 6
100% 3 / 3
36. The NOexistenceN of you AND me
Data StructuresDesign Patterns +1 Millennium
Insane 7
100% 3 / 3
37. Return to Sender
Networking Nvidia
Insane 7.5
16% 4 / 25
38. Vector (Hard Version)
Data StructuresMemory Management Squarepoint
Insane 7.5
17% 3 / 18
39. Pool party!
Operating SystemsDesign Patterns +2 Akuna Capital
Expert 8
15% 5 / 34
40. Consumerism (Easy version)
Design PatternsConcurrency +2
Master 9
38% 5 / 13
41. Stacked up (Easy Version)
ConcurrencyData Structures +1
Master 9.5
40% 2 / 5
42. Consumerism (Hard version)
ConcurrencyData Structures +3
Grandmaster 10
28% 8 / 29
43. Stacked up (Hard Version)
Memory ManagementOperating Systems +2
Glitched 11
38% 3 / 8