Problem database last updated: June 20, 2025
2 problems · 2 Easy, 0 Medium, 0 Hard · Ranked #434 of 458
2 Easy
100% · avg 23%
0 Medium
0% · avg 59%
0 Hard
0% · avg 18%
Based on 2 reported problems, Larsen & Toubro interviews are easier than average - only 0% Hard compared to 18% across all companies.
Compared to the industry average, Larsen & Toubro puts unusual emphasis on array (100% of problems, 1.7x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are array (100%), math (50%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Find the Sum of Encrypted Integers You are given an integer array nums containing positive integers. We define a function encrypt such that encrypt(x) replaces every digit in x with the largest d... | Easy | Very Likely | arraymath | Solve |
Longest Strictly Increasing or Strictly Decreasing Subarray You are given an array of integers nums. Return the length of the longest subarray of nums which is either strictly increasing or strictly decreasing. | Easy | Very Likely | array | Solve |
Find the Sum of Encrypted Integers
SolveYou are given an integer array nums containing positive integers. We define a function encrypt such that encrypt(x) replaces every digit in x with the largest d...
Longest Strictly Increasing or Strictly Decreasing Subarray
SolveYou are given an array of integers nums. Return the length of the longest subarray of nums which is either strictly increasing or strictly decreasing.
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Larsen & Toubro interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Larsen & Toubro interviews focus heavily on array, math 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. Larsen & Toubro 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.
Looking for more companies? Browse all 458 companies in our directory, or sharpen your fundamentals with our free data structure visualizers and AI-powered DSA tutor.
Larsen & Toubro has been reported to ask 2 distinct coding problems. The most common topics are array, math. 2 are Easy difficulty, 0 are Medium, and 0 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 2 reported problems, Larsen & Toubro interviews are easier than average - only 0% Hard compared to 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: array, math. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
Simulate a real Larsen & Toubro coding interview with an AI interviewer. Get a scorecard with specific feedback on your problem-solving, code quality, and communication.
Simulate a Larsen & Toubro interview with AIarrow_forward
