Cut a cake where only 3 cuts are allowed but we have to get 6 pieces
Engineers Interview Questions
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Can you be able to stand in the workshop and be able to handle a team of workers and solve if any problem arises at that very instant with enough confidence in yourself and make firm decisions?
-given a binary tree, and a number in each node. Select the nodes that will maximize the overall sum such that if a node is selected its parent and children cannot be selected. Return the sum of the selected nodes. - The buildings in a a city can be represented in 2D by linear array. Given an array that represents the heights of the buildings such that the value in a specific index in the array indicates the height of the building at that location in the city. How much rain will gather in the city if it rains?
Implement a queue using only stacks.
Determine if a binary search tree is valid or not.
This wasn't incredibly difficult, but one guy asked me to design Facebook (at a high level) and another asked me to design Twitter. I thought these were really cool questions because they tested overall design smarts instead of obscure algorithmic stuff.
There are 100 doors in a row in the hall way. All closed.The first person goes to change status of all doors. The second person goes to change status of every second door(2,4,6,8,...). The third person goes to change the status of every third door(3,6,......). ....There are 100 people doing this in a row. How many door s are closed in the end after all this?
Write a sql query to select the 213th highest score from a given table of student name and score.
One question that looked tough but was very easy contained four nested for loops to iterate through an array and to check which elements of the array added up to a value x.
Do you know what Tesla does ?
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