Repeated Deletion Sequel
Given a string s and an integer k, repeatedly delete the earliest k consecutive duplicate characters.
Coding Exercise Posts - page 4 of 43
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Cut Ribbons of Same Length
You are given a list of positive integers ribbons and an integer k. Given that you can cut the ribbons as many times as you want, return the largest r such t...
Count Rectangular Submatrices
Given a two-dimensional list of integers matrix containing 1s and 0s, return the total number of submatrices with all 1 s.
Permute List to Make Largest Range Sum
You are given a list of integers nums and a two-dimensional list of integers ranges. Each element in ranges contains [i, j], meaning to sum the numbers in nu...
Surrounded Islands
You are given a two-dimensional integer matrix matrix containing 1s and 0s. 1 represents land and 0 represents water. An island is a group of 1s that are nei...
Detecting an Odd Length Cycle
Given an undirected graph as an adjacency list, return whether the graph has an odd length cycle.
Bipartite Graph
Given an undirected graph represented as an adjacency list, return whether the graph is bipartite.
Candy Race with Different Types
You are given a list of integers candies and are playing a game against a friend. In each round, a person can remove any two consecutive candies with the sam...
Longest Substring with 2 Distinct Characters
Given a string s, find the length of the longest substring that contains at most 2 distinct characters.
Minimum Number of Contiguous K-Flips
You are given a list of integers nums containing 1s and 0s and an integer k. Consider an operation where we flip a sublist of length k such that all 1s becom...
Number of Palindromic Substrings
Given a lowercase alphabet string s, return the number of palindromic substrings in s.
Reverse an Inner Linked List
Given a singly linked list node, and integers i and j, reverse the linked list from i to jth nodes, 0 indexed and inclusive.