Paytm Interview Experience | Set 6 (Recruitment Drive)

I would like to share recent recruitment drive I attended from Paytm

CS + Programming + Coding – Screening round

• 20 MCQ realted to C, Recursion, program output, SQL tables
• 3 coding questions
  • Find the number of islands
  • Recursively remove all adjacent duplicates
  • Calculate the angle between hour hand and minute hand

F2F first round (VP engineering)

• General icebreaker questions on experience, work in present company etc
• Reverse words in given string – either whole string only or words also
• Feedback you got in your last appraisal how you are working on your weak points and general discussion around that.

F2F second round

• Discussion on HashMap internal implementation
• How you will implement thread safety and concurrency in this and also how concurrent hash map works internally in java.
• Frequency of words in array in range 0 to n-1 in O(n) time and O(1) space
• Variation of A Box of Defective Balls
• We have 2 tables emp and dept with following data

      EMPNO ENAME DEPTNO SALARY
      1 A 10 10
      2 b 20 20
  
      and dept with following records
      DEPTNO DEPTName
      10  AAA
      20  BBB

  and Dept no is Primary key in DEPT and Foreign key in EMP Write SQL query to find the department name with maximum average salary.

F2F HR round

• General HR questions on prior experience, salary structure, hobbies, reason for change, why Paytm and other general probing questions.

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Related Practice Problems

Reverse each word in a given string

Find the number of islands

Angle between hour and minute hand

Frequency of Array Elements

Consecutive elements

Reverse words in a given string

All Practice Problems for Paytm !

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