Ripple Coding Interview Questions
We track 11 coding questions asked at Ripple, tagged with the algorithms and concepts they test. The most common: Array, String, Hash Table, Sorting, Stack.
Browse all 11 Ripple questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array24.2%
- String13.6%
- Sorting9.1%
- Stack9.1%
- Hash Table7.6%
- Prefix Sum7.6%
- Binary Search4.5%
- Two Pointers4.5%
- Divide and Conquer3.0%
- Dynamic Programming3.0%
- Other (6)13.8%
How many questions involve each concept
Share of all 11 tracked Ripple questions that touch each concept. Questions usually involve several, so these overlap.
- Array63.6%
- String36.4%
- Hash Table27.3%
- Sorting27.3%
- Stack27.3%
- Prefix Sum18.2%
- Binary Search9.1%
- Design9.1%
- Divide and Conquer9.1%
- Doubly-Linked List9.1%
- Dynamic Programming9.1%
- Linked List9.1%
Where Ripple differs from the average company
Concept weight at Ripple relative to the average across all companies we track. Green means Ripple leans on it harder than most.
- Prefix Sum4.7×
- Stack3.6×
- Sorting2.3×
- String1.4×
Ripple specialties
Concepts that show up at Ripple but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 11 tracked Ripple questions.
- Junior9% (1)
- Mid/Senior82% (9)
- Staff9% (1)
Every concept in Ripple interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 7 | 63.6% | 24.2% |
| String | 4 | 36.4% | 13.6% |
| Hash Table | 3 | 27.3% | 7.6% |
| Sorting | 3 | 27.3% | 9.1% |
| Stack | 3 | 27.3% | 9.1% |
| Prefix Sum | 2 | 18.2% | 7.6% |
| Binary Search | 1 | 9.1% | 4.5% |
| Design | 1 | 9.1% | 2.3% |
| Divide and Conquer | 1 | 9.1% | 3.0% |
| Doubly-Linked List | 1 | 9.1% | 2.3% |
| Dynamic Programming | 1 | 9.1% | 3.0% |
| Linked List | 1 | 9.1% | 2.3% |
| Math | 1 | 9.1% | 2.3% |
| Monotonic Stack | 1 | 9.1% | 2.3% |
| Recursion | 1 | 9.1% | 2.3% |
| Two Pointers | 1 | 9.1% | 4.5% |
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