摘要： Link:http://oj.leetcode.com/problems/generate-parentheses/Givennpairs of parentheses, write a function to generate all combinations of well-formed par... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/n-queens/Given an integern, return all distinct solutions to then-queens puzzle.Each solution contains a distinct... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/sort-colors/Given an array withnobjects colored red, white or blue, sort them so that objects of the same color a... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/n-queens-ii/Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number ... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/climbing-stairs/You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb ... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/Say you have an array for which theithelement is the price of a given stock on... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/binary-tree-level-order-traversal-ii/Given a binary tree, return thebottom-up level ordertraversal of its nodes' ... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/binary-tree-level-order-traversal/Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, ... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/binary-tree-inorder-traversal/Given a binary tree, return theinordertraversal of its nodes' values.For example:Gi... 阅读全文

摘要： Link:http://oj.leetcode.com/problems/binary-tree-postorder-traversal/Given a binary tree, return thepostordertraversal of its nodes' values.For exampl... 阅读全文