Nagarro coding interview
questions, leaked.
9 problems reported across recent Nagarro interviews. Top patterns: hash table, string, array. The list below is what most reported candidates actually saw, plus the honest play if you can't grind all of it.
Nagarro's coding interview isn't random. You're looking at 9 problems total, mostly easy to medium, and hash-tables show up in two-thirds of them. String and array problems are everywhere too. The good news: it's predictable. The bad news: you have maybe a week to own these patterns cold. If you blank on a hash-table problem mid-assessment, StealthCoder solves it in seconds, invisible to the proctor. But your real job is to not need it.
Top problems at Nagarro
| # | Problem | Diff | Frequency | Pass % | Patterns |
|---|---|---|---|---|---|
| 01 | Count Number of Ways to Place Houses | MEDIUM | 100.0 | 43% | Dynamic Programming |
| 02 | Longest Substring Without Repeating Characters | MEDIUM | 79.4 | 37% | Hash Table · String · Sliding Window |
| 03 | Minimum Window Substring | HARD | 72.9 | 45% | Hash Table · String · Sliding Window |
| 04 | Valid Parentheses | EASY | 63.8 | 42% | String · Stack |
| 05 | Subarray Sum Equals K | MEDIUM | 63.8 | 45% | Array · Hash Table · Prefix Sum |
| 06 | Contains Duplicate | EASY | 63.8 | 63% | Array · Hash Table · Sorting |
| 07 | Two Sum | EASY | 63.8 | 56% | Array · Hash Table |
| 08 | Valid Anagram | EASY | 63.8 | 67% | Hash Table · String · Sorting |
| 09 | Remove Duplicates from Sorted Array | EASY | 63.8 | 60% | Array · Two Pointers |
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 Nagarro 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- hash table6 · 67%
- string4 · 44%
- array4 · 44%
- sliding window2 · 22%
- sorting2 · 22%
- stack1 · 11%
- prefix sum1 · 11%
- dynamic programming1 · 11%
- two pointers1 · 11%
Hash-table problems dominate Nagarro's interview. Six out of nine reported problems lean on hash-tables, often paired with strings or arrays. Start there: Two Sum, Contains Duplicate, Valid Anagram, then move to the sliding-window variants like Longest Substring Without Repeating Characters and Minimum Window Substring. Those three medium-to-hard problems are your ceiling. String and array fundamentals matter too, but they're mostly the supporting cast. Only one dynamic-programming problem and one stack problem appeared in the reports, so don't waste time on those unless you've already nailed the hash-table core. Nagarro's interview is a gauntlet of hash-tables with a few string twists. StealthCoder is your hedge if you hit a wall on the live OA, but drill the hash-table patterns first.
Companies with similar patterns
If you prepped for Nagarro, these companies recycle ~60% of the same topics.
You've seen the list.
Now make sure you pass Nagarro.
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.
Nagarro interview FAQ
How many hash-table problems should I solve before Nagarro?+
Six out of nine reported problems involve hash-tables. Start with Two Sum and Contains Duplicate to build confidence, then move to Valid Anagram and Subarray Sum Equals K. End with the hard ones: Longest Substring Without Repeating Characters and Minimum Window Substring. That's your core prep.
Is medium difficulty enough for Nagarro, or do I need hard problems?+
Three of nine problems are medium, five are easy, and only one is hard. You can pass on fundamentals alone. But the hard problem, Minimum Window Substring, is a sliding-window and hash-table combo that comes up. If you have time, drill it. If not, you're not at a huge disadvantage.
Should I study dynamic programming for Nagarro?+
Only one reported problem uses DP: Count Number of Ways to Place Houses. It's not worth prioritizing. Focus on hash-tables, strings, and arrays first. DP is a nice-to-have if you're already solid on the core patterns.
What topic should I study first for Nagarro?+
Hash-tables. They appear in two-thirds of the problems. Two Sum and Contains Duplicate are your starting points. Once you're comfortable with those, move to string-and-hash-table combos like Valid Anagram and Longest Substring Without Repeating Characters.
How much do I need to know about sliding windows for Nagarro?+
Sliding window appears in two hard problems: Longest Substring Without Repeating Characters and Minimum Window Substring. Both also use hash-tables. If you understand hash-tables well, the sliding-window pattern will click faster. Don't ignore it, but master hash-tables first.