Problem database last updated: June 20, 2025
2 problems · 1 Easy, 0 Medium, 1 Hard · Ranked #422 of 458
1 Easy
50% · avg 23%
0 Medium
0% · avg 59%
1 Hard
50% · avg 18%
Based on 2 reported problems, Devtron interviews are significantly harder than average - 50% Hard vs 18% across all companies.
Compared to the industry average, Devtron puts unusual emphasis on string (100% of problems, 3.6x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are string (100%), two-pointers (50%), greedy (50%), heap-priority-queue (50%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Reverse Words in a String III Given a string s, reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. | Easy | Very Likely | two-pointersstring | Solve |
Strong Password Checker A password is considered strong if the below conditions are all met: | Hard | Very Likely | stringgreedyheap-priority-queue | Solve |
Reverse Words in a String III
SolveGiven a string s, reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order.
Strong Password Checker
SolveA password is considered strong if the below conditions are all met:
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Devtron interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Devtron interviews focus heavily on string, two-pointers, greedy problems. If you're short on time, these are the categories to prioritize. The problems on this page are sorted by frequency, so start from the top and work your way down.
Beyond solving problems, practice explaining your approach. Devtron interviewers care about your thought process - how you break down a problem, consider edge cases, and evaluate tradeoffs between solutions. A clean O(n) solution you can explain clearly beats an O(log n) solution you can't articulate.
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Devtron has been reported to ask 2 distinct coding problems. The most common topics are string, two-pointers, greedy. 1 are Easy difficulty, 0 are Medium, and 1 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 2 reported problems, Devtron interviews are significantly harder than average - 50% Hard vs 18% across all companies. 0% of questions are Medium difficulty. Focus on the high-frequency Medium problems first, then work through the Hard ones.
Start with the highest-frequency problems listed on this page. Focus on the core topics: string, two-pointers, greedy. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
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