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LeetCode - Search a 2D Matrix

Question Definition

Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.

Each number in C may only be used once in the combination.

LeetCode - Construct Binary Tree from Preorder and Inorder Traversal

Question Definition

Given preorder and inorder traversal of a tree, construct the binary tree.

LeetCode - Construct Binary Tree from Inorder and Postorder Traversal

Question Definition

Given inorder and postorder traversal of a tree, construct the binary tree.

LeetCode - Combination Sum II

Question Definition

Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:

• Integers in each row are sorted from left to right.
• The first integer of each row is greater than the last integer of the previous row.

LeetCode - Set Matrix Zeroes

Question Definition

Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.