Complete Data Structures and Algorithms Roadmap || Placements 2020 || leetcode

Just Google everything from here and you will get everything. This is the best DS Algo study guide to prepare for placements on the internet.

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Oracle Placement/Internship Exam - Syllabus, Patterns,Tips

Oracle is one of the largest software based companies in market today and its every engineer's dream to join this esteemed company. The company leads the market in database management systems and its autonomous cloud based technologies. Oracle recently arrived at my college for recruiting interns for summer of 2021. There were two profiles first one was for Member of Technical Staff (Server Technology Group) and other was Applications Engineer. The online exam for both of them was same. I received the internship offer from Oracle in the Server Technology profile and finally accepted it. So, here is my experience: T he online round consisted of MCQ questions. There were no coding questions. The test comprised of Aptitude and Technical Questions. There were around 4 sections, all the sections were further divided into few subsections. Each subsection had its own timing. The questions were not tough but the time given was very less. You have to be extremely quick here. I...

All AMAZON SDE questions compiled || Sure Success || IIT/NIT/BITS || placement 2020

⭐ - frequency SHL (AMCAT) / Hackerrank Amazon Fresh Promotion [Experienced] Amazon Music Pairs [Experienced] Largest Item Association [Experienced] Most Common Word [Experienced] Number of Islands [Experienced] Substrings of size K with K distinct chars [Experienced | Intern] Maximum Units [New Grad] Subtree with Maximum Average [New Grad] Disk Space Analysis [New Grad] Nearest City [New Grad] Max Profit From Suppliers [New Grad] Ways to Split String Into Prime Numbers [New Grad] Fetch Items to Display [New Grad] Turnstile [Experienced] Five Star Sellers [Experienced] Fraudulent Activity [Experienced] LRU Cache Misses Top K Frequently Mentioned Keywords [Experienced] Items in Containers [Experienced] Logic Reasoning Questions [New Grad] Zombie in Matrix (Min hours to send file to all available servers) ⭐⭐ [Experienced] Critical Routers ⭐⭐ [New Grad | Exper...

Dynamic programming Tricks for placement 2020 || IIT/NIT/BITS || DS Algo || SDE || Patterns

All the DP questions just dwell to these 5 patterns. Using this trick here you can almost solve any problem on dynamic programming! Patterns Minimum (Maximum) Path to Reach a Target Distinct Ways Merging Intervals DP on Strings Decision Making Minimum (Maximum) Path to Reach a Target Generate problem statement for this pattern Statement Given a target find minimum (maximum) cost / path / sum to reach the target. Approach Choose minimum (maximum) path among all possible paths before the current state, then add value for the current state. routes[i] = min(routes[i -1 ], routes[i -2 ], ... , routes[i-k]) + cost[i] Generate optimal solutions for all values in the target and return the value for the target. for ( int i = 1 ; i <= target; ++i) { for ( int j = 0 ; j < ways.size(); ++j) { if (ways[j] <= i) { dp[i] = min(dp[i], dp[i - ways[j]] + cost / path / sum) ; } } } return dp[target] Similar Problems 746. Min Cost Climbing Stairs Easy ...

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