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  • Leetcode - Reverse Integer

    题目链接 Reverse Integer Reverse digits of an integer.Example1: x = 123, return 321Example2...

  • 提前还款合不合适

    计算代码 结论 似乎只要是投资利率高于还款利率就不亏。

  • Leetcode - Guess Number Higher or Lower

    题目链接 Guess Number Higher or Lower We are playing the Guess Game. The game is as follows...

  • Leetcode - Dungeon Game

    题目链接 Dungeon Game The demons had captured the princess (P) and imprisoned her in the bo...

  • Leetcode - Unique Paths II

    题目链接 Unique Paths II Follow up for "Unique Paths":Now consider if some obstacles are ad...

  • Leetcode - Unique Paths

    题目链接 Unique Paths A robot is located at the top-left corner of a m x n grid (marked 'St...

  • Leetcode - Minimum Path Sum

    题目链接 Minimum Path Sum Given a m x n grid filled with non-negative numbers, find a path ...

  • Leetcode - Two Sum II - Input array is sorted

    题目链接 Two Sum II - Input array is sorted Given an array of integers that is already sort...

  • Leetcode - Two Sum

    题目链接 Two Sum Given an array of integers, return indices of the two numbers such that th...

  • Leetcode - Pascal's Triangle II

    题目链接 Pascal's Triangle II Given an index k, return the kthrow of the Pascal's triangle....

  • Leetcode - Pascal's Triangle

    题目链接 Pascal's Triangle Given numRows, generate the first numRows of Pascal's triangle.F...

  • Leetcode - Search a 2D Matrix

    题目链接 Search a 2D Matrix Write an efficient algorithm that searches for a value in an m ...

  • Leetcode - Best Time to Buy and Sell Stock IV

    题目链接 Best Time to Buy and Sell Stock IV Say you have an array for which the ithelement ...

  • Leetcode - Binary Tree Level Order Traversal II

    题目链接 Binary Tree Level Order Traversal II Given a binary tree, return the bottom-up lev...

  • Leetcode - Best Time to Buy and Sell Stock III

    题目链接 Best Time to Buy and Sell Stock III Say you have an array for which the ith elemen...

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