Jan 28 · 4 min read · Ever wondered why a simple "reverse a string" question appears in almost every coding interview? It's not just about flipping characters. It's about understanding time complexity, space optimization, and multiple problem-solving approaches. Let's div...
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Nov 8, 2025 · 4 min read · 1. Arrays in Java Arrays in Java are objects that store multiple values of the same type. They behave differently than arrays in languages like C/C++. Key Characteristics 1.1 Stored in Heap Memory Even if the array reference is declared inside a meth...
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Sep 30, 2025 · 2 min read · As part of my Amazon Software Engineer challenge, I worked on a task involving String manipulation in Java. The challenge was fun, tricky at moments, and a great learning step in my journey to becoming a software developer. 🔹 Challenge Description ...
Join discussionAug 1, 2025 · 2 min read · 🗓️ Date: August 01, 2025🧩 Platform: Codeforces🔢 Problems Solved Today: 1🎯 Focus Topic: Strings, Length Checking, Abbreviation 🔗 Table of Contents Problem 1 – Way Too Long Words Daily Summary 🧩 Problem 1 – Way Too Long Words 📚 Difficulty:...
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Mar 7, 2025 · 2 min read · Чтобы не выделять специальные посты для struct (работает со структурами нативного Си) или strip (удаляет кавычки) включил их здесь, чтобы в очередной раз акцентировать ущербность идеи сокращения лексем. Опять же, если используется, в крайних случаях ...
Join discussionDec 1, 2024 · 2 min read · Problem: Count substrings starting with a vowel in a given string, modulo 10003. Solution: public class Solution { public int solve(String A) { int count = 0; char vowels[] = {'a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'}; ...
Join discussionDec 1, 2024 · 2 min read · Question: Given two strings A and B, check if they can be rearranged to match (i.e., check if they are permutations of each other). Solution: import java.util.Arrays; public class Solution { public int permuteStrings(String A, String B) { ...
Join discussionNov 18, 2024 · 7 min read · Strings are a fundamental data type in Go, and they are crucial for any programming language as they allow you to work with text data. In Go, strings are immutable sequences of bytes, meaning that once a string is created, it cannot be modified. Howe...
Join discussionOct 31, 2024 · 6 min read · A beginners guide to strings and arrays in Python for Leetcode Getting started with leetcode was a rough task for me. I’d open up the site all motivated, hyped to go on a problem solving rampage thinking the “easy” tag actually meant easy. However, I...
Join discussionSep 27, 2024 · 6 min read · KMP Algorithm: Making Pattern Matching Less of a Wild Goose Chase Imagine you’re trying to find your lost cat in a large city. You can’t just walk up to every cat on the street and ask, “Are you mine?” You need a strategy. That’s where Knuth-Morris-P...
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