Airtel Coding Interview Questions
We track 7 coding questions asked at Airtel, tagged with the algorithms and concepts they test. The most common: Array, Greedy, Prefix Sum, Two Pointers, Binary Search.
Browse all 7 Airtel questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array34.5%
- Two Pointers11.9%
- Greedy8.3%
- Prefix Sum8.3%
- Binary Search7.1%
- Dynamic Programming7.1%
- Bit Manipulation4.8%
- Hash Table4.8%
- Sliding Window4.8%
- String4.8%
- Other (1)3.6%
How many questions involve each concept
Share of all 7 tracked Airtel questions that touch each concept. Questions usually involve several, so these overlap.
- Array85.7%
- Greedy28.6%
- Prefix Sum28.6%
- Two Pointers28.6%
- Binary Search14.3%
- Bit Manipulation14.3%
- Dynamic Programming14.3%
- Hash Table14.3%
- Sliding Window14.3%
- Sorting14.3%
- String14.3%
Where Airtel differs from the average company
Concept weight at Airtel relative to the average across all companies we track. Green means Airtel leans on it harder than most.
- Prefix Sum5.2×
- Two Pointers3.3×
- Greedy2.8×
- Array1.8×
Airtel specialties
Concepts that show up at Airtel but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 7 tracked Airtel questions.
- Junior14% (1)
- Mid/Senior86% (6)
Every concept in Airtel interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 6 | 85.7% | 34.5% |
| Greedy | 2 | 28.6% | 8.3% |
| Prefix Sum | 2 | 28.6% | 8.3% |
| Two Pointers | 2 | 28.6% | 11.9% |
| Binary Search | 1 | 14.3% | 7.1% |
| Bit Manipulation | 1 | 14.3% | 4.8% |
| Dynamic Programming | 1 | 14.3% | 7.1% |
| Hash Table | 1 | 14.3% | 4.8% |
| Sliding Window | 1 | 14.3% | 4.8% |
| Sorting | 1 | 14.3% | 3.6% |
| String | 1 | 14.3% | 4.8% |
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