Baihu Qian 钱柏湖
  • Posts
  • Tag Index
  • Search
Navigation bar avatar
✕

    Posts

    • Leetcode 680: Valid Palindrome II

      Posted on June 20, 2018

      Question Given a non-empty string s, you may delete at most one character. Judge whether you can make it a palindrome. [Read More]
      Tags:
      • Leetcode
      • Hard
      • Review
    • Leetcode 125: Valid Palindrome

      Posted on June 20, 2018

      Question Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. [Read More]
      Tags:
      • Leetcode
    • Leetcode 122: Best Time to Buy and Sell Stock II

      Posted on June 20, 2018

      Question Say you have an array for which the ith element is the price of a given stock on day i. [Read More]
      Tags:
      • Leetcode
    • Leetcode 121: Best Time to Buy and Sell Stock

      Posted on June 20, 2018

      Question Say you have an array for which the ith element is the price of a given stock on day i. [Read More]
      Tags:
      • Leetcode
    • Leetcode 120: Triangle

      Posted on June 20, 2018

      Question Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below. [Read More]
      Tags:
      • Leetcode
    • Leetcode 119: Pascal's Triangle II

      Posted on June 20, 2018

      Question Given a non-negative index k where k ≤ 33, return the \(k^{th}\) index row of the Pascal’s triangle. [Read More]
      Tags:
      • Leetcode
    • Leetcode 117: Populating Next Right Pointers in Each Node II

      Posted on June 20, 2018

      Question Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; } [Read More]
      Tags:
      • Leetcode
    • Leetcode 116: Populating Next Right Pointers in Each Node

      Posted on June 20, 2018

      Question Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; } [Read More]
      Tags:
      • Leetcode
    • Leetcode 118: Pascal's Triangle

      Posted on June 17, 2018

      Question Given a non-negative integer numRows, generate the first numRows of Pascal’s triangle. [Read More]
      Tags:
      • Leetcode
    • Leetcode 114: Flatten Binary Tree to Linked List

      Posted on June 17, 2018

      Question Given a binary tree, flatten it to a linked list in-place. [Read More]
      Tags:
      • Leetcode
    • Leetcode 437: Path Sum III

      Posted on June 17, 2018

      Question You are given a binary tree in which each node contains an integer value. [Read More]
      Tags:
      • Leetcode
    • Leetcode 113: Path Sum II

      Posted on June 17, 2018

      Question Given a binary tree and a sum, find all root-to-leaf paths where each path’s sum equals the given sum. [Read More]
      Tags:
      • Leetcode
    • Leetcode 112: Path Sum

      Posted on June 17, 2018

      Question Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. [Read More]
      Tags:
      • Leetcode
    • Leetcode 111: Minimum Depth of Binary Tree

      Posted on June 17, 2018

      Question Given a binary tree, find its minimum depth. [Read More]
      Tags:
      • Leetcode
    • Leetcode 110: Balanced Binary Tree

      Posted on June 17, 2018

      Question Given a binary tree, determine if it is height-balanced. [Read More]
      Tags:
      • Leetcode
    • ← Newer Posts
    • Older Posts →
    • Email me
    • GitHub
    • LinkedIn
    • Instagram

    Baihu Qian  •  2023  •  baihuqian.github.io  •  Edit page

    Powered by Beautiful Jekyll