Cognizant

Cognizant

American multinational information technology services and consulting company.

4 Rounds ~21 Days Medium
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The Interview Loop

Recruiter Screen (30 min)

Standard fit check, behavioral questions, and resume overview.

Technical Loop (3-4 Rounds)

Deep dive into domain knowledge, coding, and system design.

Interview Question Bank

Software Engineer • Coding • easy

Write a program to reverse a string without using any inbuilt functions like StringBuilder.reverse().

#Strings #Two Pointers
Practice
Software Engineer • Coding • easy

Write a program to find the second highest number in an integer array.

#Arrays #Iteration
Practice
Software Engineer • Coding • easy

Given two strings, write a function to check if they are anagrams of each other.

#Strings #Hash Table
Practice
Software Engineer • Coding • easy

Find the first non-repeating character in a given string and return its index.

#Strings #Hash Table
Practice
Software Engineer • Coding • medium

Find the longest substring without repeating characters.

#Strings #Sliding Window #Hash Table
Practice
Software Engineer • Coding • easy

Detect a cycle in a linked list.

#Linked List #Two Pointers
Practice
Software Engineer • Coding • medium

Print the left view of a Binary Tree.

#Binary Tree #Breadth-First Search #Depth-First Search
Practice
Software Engineer • Coding • medium

Implement an LRU (Least Recently Used) Cache.

#Design #Hash Table #Doubly Linked List
Practice
Software Engineer • Coding • medium

Merge two sorted arrays into a single sorted array without using extra space (if the first array has enough buffer at the end).

#Arrays #Two Pointers
Practice

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

Simulate

Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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