Greetings, fellow learners! It's Day 37 of my DSA C++ journey, and today was all about conquering LeetCode challenges that tested my skills in permutations and XOR operations. Build Array from Permutation: The day kicked off with the "Build Array fr...
The LeetCode challenge I undertook today was to count the pairs of numbers in an array whose sum is less than a given target value. This problem tested my ability to devise an efficient algorithm to find the pairs and successfully implement it using ...
Today's chapter is all about the intriguing world of mathematical concepts for Data Structures and Algorithms (DSA).! Making Friends with Prime Numbers: Today's journey began with prime numbers – those enigmatic digits that have fascinated mathemati...
I had the privilege of delving into the intricate world of time complexity, guided by none other than the incredible Kunal Kushwaha. The Significance of Time Complexity: Before diving into the formula, I revisited the importance of time complexity i...
Title: DSA C++ Day 33: Conquering LeetCode's "Height Checker" Challenge The "Height Checker" problem revolves around arranging a list of students in non-decreasing order of their heights and then determining the number of students who are not in the ...
Today was a rewarding day as I tackled a LeetCode question that challenged my problem-solving skills. The problem at hand required finding the index of the first occurrence of a given substring within a larger string. Sounds straightforward, right? B...
I want to share my success in cracking two specific LeetCode problems: "Check If N and Its Double Exist" and "Squares of a Sorted Array." Solving "Check If N and Its Double Exist" In this challenge, I honed my array manipulation skills. I used a hash...
The challenge demanded reversing the characters of each word in a given string while maintaining the word order. The twist? I had to achieve this in-place, without extra memory. I took a strategic approach: Defined pointers to mark word boundaries. ...
Today was all about tackling challenging LeetCode questions. I'm excited to share my experience of solving not one, but two intriguing problems: "Count Equal and Divisible Pairs in an Array" and "Count the Digits That Divide a Number". Let's dive in!...
