The problem “Binary Subarrays With Sum” asks to count the number of contiguous subarrays in a binary array nums whose sum equals a given goal.…
Author: codeanddebug
The problem “Longest Repeating Character Replacement” asks for the length of the longest substring that can be converted into a string of…
The problem “Fruit Into Baskets” asks for the length of the longest contiguous subarray that contains at most two distinct fruit types. Think…
The problem “Max Consecutive Ones III” asks for the length of the longest subarray containing only 1s after flipping at most k zeros to 1s. This is a classic sliding window problem where we maintain…
The problem “Longest Substring Without Repeating Characters” asks for the length of the longest substring in a string s that contains no duplicate characters. A straightforward brute force approach…
Given string num representing a non-negative integer num, and an integer k, return the smallest possible integer after removing k digits from num. Here’s the [Problem…
We are given an array asteroids of integers representing asteroids in a row. The indices of the asteriod in the array represent…
Given an array of integers arr, find the sum of min(b), where b ranges over every (contiguous) subarray of arr. Since the answer may…
Given n items, each with a specific weight and value, and a knapsack with a capacity of W, the task is to put the items in…
Given an array arr[], partition it into two subsets(possibly empty) such that each element must belong to only one subset. Let…