# LeetCode 247. Strobogrammatic Number II

Description https://leetcode.com/problems/strobogrammatic-number-ii/ A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down).…

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Description https://leetcode.com/problems/strobogrammatic-number-ii/ A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down).…

Description https://leetcode.com/problems/longest-increasing-path-in-a-matrix/ Given an integer matrix, find the length of the longest increasing path. From each cell, you can either…

Description https://leetcode.com/problems/robot-room-cleaner/ Given a robot cleaner in a room modeled as a grid. Each cell in the grid can be…

Description https://leetcode.com/problems/number-of-islands/ Given a 2d grid map of ‘1’s (land) and ‘0’s (water), count the number of islands. An island is surrounded…

Description Given a string containing digits from 2-9 inclusive, return all possible letter combinations that the number could represent. A mapping of…

Description https://leetcode.com/problems/subsets-ii/description/ Given a collection of integers that might contain duplicates, nums, return all possible subsets (the power set). Note: The solution…

Description https://leetcode.com/problems/subsets/ Given a set of distinct integers, nums, return all possible subsets (the power set). Note: The solution set must not contain duplicate…

Description https://leetcode.com/problems/combination-sum/ Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. You may…

Description https://leetcode.com/problems/combination-sum-ii/description/ Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the…