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Oyo Rooms Interview Experience | Set 3 (For Backend Engineer, Experience <=1yrs)

Last Updated : 23 Jul, 2025
Wriiten Test
  1. One coding question of form minimum cost to travel from 0,0 to N-1,M-1, remaining MCQ for time complexity of running code,other technical questions
  2. How is Indexing helpful ?
  3. Can Get works in place for PUT/POST http ?
Interview Round 1
    Asked the projects worked in previous office Algo qstn : Give n courses from 1 to N ,find the no of semesters to complete the courses .under condition there are dependencies for Courses such as you need to complete i course before taking j course , the courses with No dependency will take 1 semester ,and any number of courses can be taken in 1 semester . Find minimum no of semester to complete course . Also check condition for if their is loop . Topological sort
Interview Round 2
  1. given and array,a[i] parent of i ,construct a n-arr tree
  2. find k length subarray with maximum sum in arr[]
  3. Dp problem ,to find the no of way u can have breakfast in n days ,given Bread butter can be eaten every day, Omelette you cannot have on consecutive days .
  4. Design a Database
  5. other Question on inner join, outer join
Interview Round 3
  1. Discussion on projects
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