LeetCode Q 675 - Cut Off Trees for Golf EventYou are asked to cut off trees in a forest for a golf event. The forest is

LeetCode Q 934 - Shortest BridgeIn a given 2D binary array A, there are two islands. (An island is a 4-directionally co

LeetCode Q 542 - 01 MatrixGiven a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell.The dista

LeetCode Q 752 - Open the LockYou have a lock in front of you with 4 circular wheels. Each wheel has 10 slots: '0

LeetCode Q 126 - Word Ladder IIGiven two words (beginWord and endWord), and a dictionary’s word list, find all shortest

LeetCode Q 127 - Word LadderGiven two words (beginWord and endWord), and a dictionary’s word list, find the length of sh