find the first unrepeated character in a string
Development Engineer Interview Questions
37,487 development engineer interview questions shared by candidates
Design a plugin for a text editor that would maintain the top k frequently used words.
Design Amazon locker system
Find the least common ancestor of given two nodes in a tree
An easy-medium level coding question, basic data structures, and OOP.
Signed NDA. Just know basic algorithm and data structures.
Situations related to the working situations.
Interview happened five months ago actually. So, I can remember the questions but can't spell like they did it. Its normal algorithm question but they changed little things. One question was about city with tall buildings with varying height and if its gets flooded, calculate total water storage due to buildings height. Another one was in tree. Print all the leaf tree values alone.
1)Print integer that has repeated odd number of time. 2)Design telecommunication billing system. 3)Print valid QWERTY keyboard suggestions. 4)Write an algorithm for bitmap application. 5)Serialize and Deserialize an N-ary Tree.
Write method to determine if tree is mirror. X X. X. Is mirror X X. X X. Not mirror
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