For students
DSA practice, aptitude, HR answers and semester notes for Indian campus placements and new-grad jobs anywhere. Start with the 90-day roadmap.
Roadmap
A 90-day plan for campus placements in seven stages: DSA foundations, core patterns, CS fundamentals, aptitude, projects and resume, mock interviews and final revision. Each stage says what to do and how to tell when you are ready to move on.
Practice sheet
30 array questions that come up again and again in placement coding rounds, grouped into five patterns: two pointers, sliding window, prefix sums, hashing, and intervals and sorting. Each has a LeetCode link, the approach, a Python sketch and its complexity.
Guide
A formula sheet for the quantitative section of placement aptitude tests, from percentages and interest to time and work, speed, permutations, probability and number system, with a worked example for each topic.
Free PDF
Every formula from our quantitative aptitude guide on a printable PDF: percentages, interest, ratios, time and work, speed and distance, permutations and probability.
Guide
The HR questions freshers commonly face in campus and off-campus interviews, grouped by theme. For each one: what the interviewer is checking, a simple structure for your answer, and a short sample answer to adapt to your own experience.
Guide
Exam-focused DBMS revision notes covering keys, the ER model, relational algebra, SQL, normalization up to BCNF with one worked example, transactions, concurrency control and indexing, ending with a last-minute checklist.
Practice sheet
Important operating systems questions with concise answers, grouped by unit: processes and threads, CPU scheduling, synchronization, deadlocks, memory management and file systems, with solved scheduling, Banker's algorithm, page replacement and disk scheduling problems.
Whether you can use Claude Code without paying, what the paid plans cost, what students can get, and how to decide if you need the higher tier.
Blog postWeb
A 46-page playbook for engineering freshers: a 30-day AI skills track, three portfolio projects recruiters open, an off-campus job-search system with message templates, and the interview minimum for DSA, CS fundamentals, AI and HR.
Premium packPDFBeginner