Nokia Coding Interview Questions
We track 7 coding questions asked at Nokia, tagged with the algorithms and concepts they test. The most common: Array, String, Hash Table, Math, Number Theory.
Browse all 7 Nokia questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array17.9%
- String16.7%
- Sorting9.5%
- Hash Table8.3%
- Math8.3%
- Number Theory8.3%
- Stack7.1%
- Greedy4.8%
- Trie4.8%
- Design3.6%
- Other (3)10.8%
How many questions involve each concept
Share of all 7 tracked Nokia questions that touch each concept. Questions usually involve several, so these overlap.
- Array57.1%
- String42.9%
- Hash Table28.6%
- Math28.6%
- Number Theory28.6%
- Sorting28.6%
- Design14.3%
- Doubly-Linked List14.3%
- Enumeration14.3%
- Greedy14.3%
- Linked List14.3%
- Stack14.3%
Where Nokia differs from the average company
Concept weight at Nokia relative to the average across all companies we track. Green means Nokia leans on it harder than most.
- Number Theory27.7×
- Sorting2.4×
- String1.8×
- Math1.5×
Nokia specialties
Concepts that show up at Nokia but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 7 tracked Nokia questions.
- Junior57% (4)
- Mid/Senior29% (2)
- Staff14% (1)
Every concept in Nokia interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 4 | 57.1% | 17.9% |
| String | 3 | 42.9% | 16.7% |
| Hash Table | 2 | 28.6% | 8.3% |
| Math | 2 | 28.6% | 8.3% |
| Number Theory | 2 | 28.6% | 8.3% |
| Sorting | 2 | 28.6% | 9.5% |
| Design | 1 | 14.3% | 3.6% |
| Doubly-Linked List | 1 | 14.3% | 3.6% |
| Enumeration | 1 | 14.3% | 3.6% |
| Greedy | 1 | 14.3% | 4.8% |
| Linked List | 1 | 14.3% | 3.6% |
| Stack | 1 | 14.3% | 7.1% |
| Trie | 1 | 14.3% | 4.8% |
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