[Leetcode 518] Coin change II
You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money.
Algorithms
This is where I save my algorithm challenges.
[Leetcode 91] Decode ways
You have intercepted a secret message encoded as a string of numbers. The message is decoded via the following mapping...
[Leetcode 1143] Longest Common Subsequence
Given two strings text1 and text2, return the length of their longest common subsequence.
[Leetcode 63] Unique Paths II
You are given an m x n integer array grid. There is a robot initially located at the top-left corner (i.e., grid[0][0]).
[Leetcode 62]: Unique Paths
There is a robot on an m x n grid. The robot is initially located at the top-left corner (i.e., grid[0][0]).
Minimum Path Sum
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right, which minimizes the sum of all numbers along its path.
Choosing pivot in Quicksort
🔍 How to Choose a Pivot in Quick Sort
Jump Game II
You are given a 0-indexed array of integers nums of length n. You are initially positioned at nums[0].
Generate Parentheses
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
[Leetcode 5] Longest Palindromic Substring
Given a string s, return the longest palindromic substring in s.