33 Search in Rotated Sorted Array + 81 Search in Rotated Sorted Array II

总是做不对

52. N-Queens II

看一下更简便的答案

54. Spiral Matrix

写一下Iterative 的方法 link: https://leetcode.com/problems/spiral-matrix/solution/

59. Spiral Matrix II

写一下Iterative 的方法

link: https://leetcode.com/problems/spiral-matrix-ii/discuss/22289/My-Super-Simple-Solution.-Can-be-used-for-both-Spiral-Matrix-I-and-II

55. Jump Game

看一下分析 link: https://leetcode.com/problems/jump-game/solution/

65. Valid Number

没做，有时间做一下

68. Text Justification

没做 link: https://leetcode.com/problems/text-justification/discuss/24876/Simple-Java-Solution

77. Combinations

看一下来code上面dfs另一种方法的答案

86. Partition List

重新做一下

87. Scramble String

https://leetcode.com/problems/scramble-string/discuss/29387/Accepted-Java-solution

99. Recover Binary Search Tree

理解一下Morris Traversal

111, 112, 113 Tree traversal

不是很熟练, 有空在练习一下

116, 117

有空在写一下

120 Triangle

DP bottom up 很巧妙

link: https://github.com/mission-peace/interview/blob/master/src/com/interview/dynamic/MinimumTriangleSum.java