LTIMindtree

LTIMindtree

Global technology consulting and digital solutions 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

Backend Engineer • Coding • easy

Given an array of integers and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution.

#Arrays #HashMaps
Practice
Backend Engineer • Coding • medium

Write a function to find the longest substring without repeating characters in a given string.

#Strings #Sliding Window
Practice
Backend Engineer • Coding • medium

Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals that cover all the intervals in the input.

#Arrays #Sorting
Practice
Backend Engineer • Coding • medium

Find the top K frequent elements in an integer array. Your algorithm's time complexity must be better than O(n log n).

#Heaps #HashMaps #Bucket Sort
Practice
Backend Engineer • Coding • easy

Write a program to detect if a linked list has a cycle in it. Can you do it using O(1) memory?

#Linked Lists #Two Pointers
Practice
Backend Engineer • Coding • medium

Find the first non-repeating character in a stream of characters.

#Queues #HashMaps #Data Streams
Practice
Backend Engineer • Coding • medium

Given a string, reverse the words in the string while maintaining the original punctuation marks and spaces.

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

Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution.

#Arrays #Hash Table
Practice
Backend Engineer • Coding • easy

Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.

#Strings #Stack
Practice
Backend Engineer • Coding • medium

Given a string s, find the length of the longest substring without repeating characters.

#Strings #Sliding Window #Hash Set
Practice
Backend Engineer • Coding • medium

Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals.

#Arrays #Sorting
Practice
Backend Engineer • Coding • easy

Write a function to reverse a singly linked list.

#Linked List #Pointers
Practice
Backend Engineer • Coding • easy

Write a program to find the node at which the intersection of two singly linked lists begins.

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

Given an integer array nums and an integer k, return the k most frequent elements. You may return the answer in any order.

#Arrays #Hash Table #Heap #Bucket Sort
Practice
Backend Engineer • Coding • medium

Design and implement a data structure for Least Recently Used (LRU) cache.

#Design #Hash Table #Doubly Linked List
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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