# [LeetCode 91] Decode Ways [Java]

**2018-03-26

1. Description A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Given...

1. Description A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Given...

1. Description 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 number...

1. Description Follow up for "Unique Paths": Now consider if some obstacles are added to the grids. How many unique paths would there be? An obstac...

1. Description A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either down...

1. Description Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n. 2. Runti...

1. Description You are given coins of different denominations and a total amount of money amount. Write a function to compute the fewest number of ...

1. Description Given an unsorted array of integers, find the number of longest increasing subsequence. 2. Runtime Distribution 3. Submission Detai...

1. Description Find the contiguous subarray within an array (containing at least one number) which has the largest product. 2. Runtime Distribution...

1. Description Given n items with size Ai and value Vi, and a backpack with size m. What's the maximum value can you put into the backpack? Notice ...

1. Description Given n items with size Ai, an integer m denotes the size of a backpack. How full you can fill this backpack? Notice You can not ...