TongTong Shi's Blog
A Playground to Share My Knowledge
Word Search II Word Search II
LeetCode Q 212 - Word Search IIGiven a 2D board and a list of words from the dictionary, find all words in the board.Eac
2019-04-29 Tong Shi
LeetCode DFS Backtracking Trie
Word Search Word Search
LeetCode Q 79 - Word SearchGiven a 2D board and a word, find if the word exists in the grid.The word can be constructed
2019-04-29 Tong Shi
LeetCode DFS Backtracking
N-Queens II N-Queens II
LeetCode Q 52 - N-Queens IIThe n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two
2019-04-29 Tong Shi
LeetCode DFS Backtracking
N-Queens N-Queens
LeetCode Q 51 - N-QueensThe n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two que
2019-04-29 Tong Shi
LeetCode DFS Backtracking
Remove Invalid Parentheses Remove Invalid Parentheses
LeetCode Q 301 - Remove Invalid ParenthesesRemove the minimum number of invalid parentheses in order to make the input s
2019-04-29 Tong Shi
LeetCode DFS
Generate Parentheses Generate Parentheses
LeetCode Q 22 - Generate ParenthesesGiven n pairs of parentheses, write a function to generate all combinations of well-
2019-04-29 Tong Shi
LeetCode DFS
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