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Kaitian Xie

404 bio not found

Vancouver Joined on Sep 3, 2018

Education

BSc in Computer Science

Apr 21 '19

LeetCode in Java: 209

#java #twopointers

1 min read

LeetCode in Ruby: 102. Binary Tree Level Order Traversal

It means that just before we begin to store the values of t...

Mar 1 '19

Apr 16 '19

LeetCode 111. Minimum Depth of Binary Tree

#java #tree

1 min read

Apr 16 '19

LeetCode 98. Validate Binary Search Tree

#java #tree

2 min read

Apr 12 '19

LeetCode 31. Next Permutation

#java #twopointers

1 min read

Apr 12 '19

LeetCode 238. Product of Array Except Self

#java #array

1 min read

Apr 11 '19

LeetCode 281. Move Zeros

#java #array

1 min read

Apr 10 '19

LeetCode 7. Reverse Integer

#java #math

1 min read

Apr 9 '19

LeetCode 20. Valid Parentheses

#java #stack

1 min read

Mar 19 '19

LeetCode in Ruby: 62. Unique Paths

#leetcode #ruby #dynamicprogramming

1 min read

Mar 19 '19

LeetCode in Ruby: 26. Remove Duplicates from Sorted Array

#leetcode #ruby

1 min read

Mar 19 '19

LeetCode in Ruby: 56. Merge Intervals

#leetcode #ruby #sorting

1 min read

Mar 19 '19

LeetCode in Ruby: 771 Jewels and Stones

#leetcode #ruby #hash

1 min read

Mar 19 '19

LeetCode in Ruby: 387. First Unique Character in a String

#leetcode #ruby #hash #twoarrays

1 min read

Mar 19 '19

LeetCode in Ruby: 242. Valid Anagram

#leetcode #ruby #sorting

1 min read

Mar 13 '19

LeetCode in Ruby: 70. Climbing Stairs

#leetcode #ruby #dynamicprogramming

1 min read

Mar 1 '19

LeetCode in Ruby: 107. Binary Tree Level Order Traversal II

#leetcode #ruby #binarytree

1 min read

Feb 28 '19

LeetCode in Ruby: 102. Binary Tree Level Order Traversal

#leetcode #ruby #binarytree

1 min read

Feb 27 '19

LeetCode in Ruby: 206 Reverse Linked List

#leetcode #ruby #linkedlist

1 min read

Feb 26 '19

LeetCode in Ruby: 70. Climbing Stairs

#leetcode #ruby #dynamicprogramming

1 min read

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