## Paytm Interview Experience | Set 14 (For Senior android Developer)

Senior android Developer Coding Round: Spirally traversing a matrix Longest Increasing Subsequence First Round: find “longest line” of 1’s in array. Hoizontal and Vertical. Array… Read More »

## Paytm Interview Experience | Set 13 (For Experienced)

1st Round : Machine Coding Round It was machine coding round having two coding questions. Based on tree. (Solved using Brute force, didn’t pass all… Read More »

## Paytm Interview Experience | Set 12 (For 1.5 Years Experienced)

I want to share my interview experience with Paytm with all of you. Round-1 [1.5 hr] Brief introduction Discussion about project why are you using… Read More »

## Paytm Interview Experience | Set 11 (For 2 Years Experienced)

Round 1: Brief intro Discussion about Projects and work ex. Why are you using aerospike? Given a matrix sorted only row-wise, search a number in… Read More »

## Count all sub-arrays having sum divisible by k

You are given an array of positive and/or negative integers and a value K . The task is to find count of all sub-arrays whose… Read More »

## Paytm Interview Experience | Set 10 (For Experienced)

It was a walk-in for experienced candidates actually. Round 1: Machine Coding Round (60 min) Q1. Infix to Postfix conversion e.g. A+(B-C)*D becomes ABC-D*+ Q2.… Read More »

## Paytm Interview Experience | Set 9

The test was held at 7 in the morning and then the shortlist was announced within an hour. The test included three questions: Given an… Read More »

## Design a stack that supports getMin() in O(1) time and O(1) extra space

Question: Design a Data Structure SpecialStack that supports all the stack operations like push(), pop(), isEmpty(), isFull() and an additional operation getMin() which should return… Read More »

## Diagonal Traversal of Binary Tree

Consider lines of slope -1 passing between nodes. Given a Binary Tree, print all diagonal elements in a binary tree belonging to same line. Input… Read More »

## Paytm Interview Experience | Set 8 (Hiring Drive for Backend Engineer)

Paytm Hiring Drive for Backend Engineer. The selection process was completed on the same day. Round 1 ( Written ): It was a technical written… Read More »

## Paytm Interview Experience | Set 7 (Written Test Hyderabad)

Written Test: Two Sections : 1. CS and Fundamentals        Easy fundamental questions and program output from Recursion / OS / Linux, Concurrency threading. 2.… Read More »

## 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,… Read More »

## Paytm Interview Experience | Set 5 (Recruitment Drive)

I attended a Paytm recruitment drive. The requirement was for both Front-end and Backend Developers. I applied for Backend. First there was a written round.… Read More »

## Convert array into Zig-Zag fashion

Given an array of DISTINCT elements, rearrange the elements of array in zig-zag fashion in O(n) time. The converted array should be in form a… Read More »

## Find minimum number of coins that make a given value

Given a value V, if we want to make change for V cents, and we have infinite supply of each of C = { C1,… Read More »