Implement a LRU cache.
Software Development Engineer Interview Questions
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Write code to solve a problem in Polish notation. e.g : 1 2 3 + / is 1/(2+3)
multiply 2 numbers without using * sign
Given two rectangles, check if they intersect? He also asked me if I have seen the question before to which I replied I had but that I had not tried solving it.
Design a connection pool
They asked from data structures and algorithms, oops, os, dbms
there is an array with 99 length long, each spot will have number from 1-100, number will never repeat on the array. Give as many way as possible to find the missing number.
You are in a room by yourself and someone walks into the room, asks you to find the temperature, and leaves. How would you find the temperature in the room without leaving the room?
Reverse a singly linked-list with and without using an auxiliary data structure.
Write the algorithm for this: If you have a string aaabbc the output should be a3b2c1, for the string aabcc the output should be a2b1c2 and so on. You should not allocate memory for a new string and you can do this only by reading each character once. Ps: if the result is bigger than the original string (like abc -> a1b1c1) just return null or some message that makes that clear.
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