Accolite coding interview
questions, leaked.
17 problems reported across recent Accolite interviews. Top patterns: array, string, two pointers. The list below is what most reported candidates actually saw, plus the honest play if you can't grind all of it.
Accolite's interview hits you with array and string problems in rapid succession. Of the 17 problems reported by candidates, 8 are array-focused and 7 touch strings. Most are medium difficulty, which means they're not algorithmic trivia but pattern recognition under time pressure. Two-pointers and dynamic programming show up repeatedly across problems like Longest Palindromic Substring and Trapping Rain Water. You'll face sliding-window and stack patterns too. If you freeze mid-assessment on a two-pointer problem, StealthCoder runs invisibly during your screen share and surfaces a working solution in seconds, so you stay unblocked and move forward.
Top problems at Accolite
| # | Problem | Diff | Frequency | Pass % | Patterns |
|---|---|---|---|---|---|
| 01 | Replace the Substring for Balanced String | MEDIUM | 100.0 | 40% | String · Sliding Window |
| 02 | Merge Operations to Turn Array Into a Palindrome | MEDIUM | 87.5 | 69% | Array · Two Pointers · Greedy |
| 03 | Two Sum | EASY | 72.8 | 56% | Array · Hash Table |
| 04 | Climbing Stairs | EASY | 72.8 | 54% | Math · Dynamic Programming · Memoization |
| 05 | Valid Parentheses | EASY | 62.0 | 42% | String · Stack |
| 06 | Longest Palindromic Substring | MEDIUM | 62.0 | 36% | Two Pointers · String · Dynamic Programming |
| 07 | Longest Substring Without Repeating Characters | MEDIUM | 62.0 | 37% | Hash Table · String · Sliding Window |
| 08 | Binary Tree Right Side View | MEDIUM | 62.0 | 67% | Tree · Depth-First Search · Breadth-First Search |
| 09 | Longest Common Prefix | EASY | 53.4 | 45% | String · Trie |
| 10 | Trapping Rain Water | HARD | 53.4 | 65% | Array · Two Pointers · Dynamic Programming |
| 11 | Reverse Vowels of a String | EASY | 53.4 | 58% | Two Pointers · String |
| 12 | Longest Common Subsequence | MEDIUM | 53.4 | 58% | String · Dynamic Programming |
| 13 | Search in Rotated Sorted Array | MEDIUM | 53.4 | 43% | Array · Binary Search |
| 14 | Remove Duplicates from Sorted Array II | MEDIUM | 53.4 | 63% | Array · Two Pointers |
| 15 | Best Time to Buy and Sell Stock | EASY | 53.4 | 55% | Array · Dynamic Programming |
| 16 | Container With Most Water | MEDIUM | 53.4 | 58% | Array · Two Pointers · Greedy |
| 17 | Asteroid Collision | MEDIUM | 53.4 | 46% | Array · Stack · Simulation |
Frequencies derived from public community-tagged interview reports. Click a row to view on LeetCode.
You have a week, maybe less. You can't out-grind the list above. StealthCoder runs invisibly during the actual Accolite OA. The proctor cannot see it. Screen share cannot detect it. Built because the OA filter rejects engineers who'd pass the on-site. That's a broken filter. This is the workaround.
Get StealthCoder- array8 · 47%
- string7 · 41%
- two pointers6 · 35%
- dynamic programming5 · 29%
- stack3 · 18%
- sliding window2 · 12%
- hash table2 · 12%
- greedy2 · 12%
- math1 · 6%
- memoization1 · 6%
The distribution is top-heavy on fundamentals. Arrays dominate (8 problems), strings are close behind (7), and two-pointers bridge both (6). Dynamic programming appears in 5 problems but often as an optimization path, not the only route. Stack and sliding-window are secondary tools. The difficulty skew is your advantage: 6 easy and 10 medium problems, only 1 hard. That hard problem, Trapping Rain Water, combines array, two-pointers, dynamic programming, stack, and monotonic stack all at once. Drill two-pointers and array traversal first because they're baseline. String manipulation and sliding-window are the hedge for the medium tier. If you hit a wall on dynamic programming during the live assessment, StealthCoder is your real-time backup, reading the problem and delivering a solution before the proctor blinks.
Companies with similar patterns
If you prepped for Accolite, these companies recycle ~60% of the same topics.
You've seen the list.
Now make sure you pass Accolite.
Memorizing every problem above in a week is a fantasy. StealthCoder is the hedge: an AI overlay that's invisible during screen share. It reads the problem on screen and surfaces a working solution in under 2 seconds. Built because the OA filter rejects engineers who'd pass the on-site. That's a broken filter. This is the workaround. Works on HackerRank, CodeSignal, CoderPad, and Karat.
Accolite interview FAQ
How many two-pointer problems should I solve before Accolite's OA?+
Two-pointers appear in 6 of 17 reported problems and often interact with arrays and strings. Aim for 15-20 solid two-pointer reps, then drill merging, reversing, and palindrome checks. Skip advanced variants. You're building speed and muscle memory, not theory.
Is dynamic programming required to pass this interview?+
It's not required but critical for optimization. 5 problems involve DP (Climbing Stairs, Longest Palindromic Substring, Trapping Rain Water, Longest Common Subsequence, Best Time to Buy and Sell Stock). Most have greedy or iterative fallbacks. Master 3-4 DP patterns, not 20.
What topic should I study first for Accolite?+
Arrays first. 8 of 17 problems center on arrays. You'll see Two Sum, merging, searching, palindromes, and Trapping Rain Water. Master array iteration, indexing, and how to move two pointers. Everything else stacks on top of solid array fundamentals.
How much time should I spend on sliding-window for this company?+
Lower priority. Only 2 problems explicitly use sliding-window (Replace the Substring for Balanced String, Longest Substring Without Repeating Characters). Both are medium. Study sliding-window after two-pointers and arrays, then move on. Don't over-invest here.
Should I practice Trapping Rain Water before the OA?+
It's the only hard problem reported. It's also a multi-pattern problem that combines arrays, two-pointers, DP, and stack. If you have time, do it. If not, it's an outlier. The bulk of Accolite's interview is medium, so prioritize the 10 medium problems first.