Infosys
Experienced
Min 7 CGPA, no backlogs, 1-2 projects preferred (9 LPA)
Application Process
I applied off-campus, got an email for the online assessment, cleared it, and was shortlisted for a virtual interview covering technical and HR questions. Smooth and well-organized.
Interview Rounds (3)
Detailed breakdown of each evaluation round, problems encountered, and round takeaways.
Online Coding Interview
Questions & Problems Asked (3)
Problem: Second largest element
I tracked first and second while iterating, updating each appropriately.
Problem: Check If The String Is A Palindrome
two-pointer comparison after normalizing the string.
Problem: Longest Increasing Subsequence
O(n^2) DP, dp[i]=max(dp[i],dp[j]+1) for smaller earlier elements.
Face to Face
Questions & Problems Asked (2)
Problem: Concatenated Words
hashmap of word frequencies, checked substrings matching word lengths at each starting index.
Problem: Zig-Zag String
M row-buffers, direction flag flipped at top/bottom row, joined all rows.
Face to Face
Questions & Problems Asked (2)
Problem: Sudoku Solver
backtracking, validating row/column/3x3-subgrid at each empty cell.
Problem: Count And Say
built each term by counting consecutive repeats and appending count+character.
Round Experience
My selection perspective: I think I was rejected due to a lack of depth in the DSA round and not explaining my projects confidently.
Round 3 — My Takeaways
- DSA thoroughly, aptitude/puzzles, two good explained projects, arrays/binary search/DP/recursion, common HR questions.
Resume Tips
Include 2-3 strong projects with role/tech explained.
Keep it concise, no false info.
Preparation Tips
Practice DSA daily, understanding over memorization.
Revise OOP, DBMS, OS regularly.
Take mock interviews to build confidence.
