240 发简信
IP属地:台北
  • 383. Ransom Note

    Problem Given an arbitrary ransom note string and another string contain...

  • 密码学填充方式

    0 Preface 在很多密码学加密的情景下,对一块信息进行加密时,要求信息块与密钥的长度相等,而输入的信息又不可能永远保持与密钥长度相等,且如...

  • 303. Range Sum Query - Immutable

    Problem Given an integer array nums, find the sum of the elements betwee...

  • Resize,w 360,h 240
    205. Isomorphic Strings

    Problem Given two strings s and t, determine if they are isomorphic. Two...

  • Resize,w 360,h 240
    112. Path Sum

    Problem Given a binary tree and a sum, determine if the tree has a root-...

  • 编译器对判断语句的优化

    简介 近期在研究组的项目中,继续开发师兄写的SDK时发现一个小trick,即在判断语句中利用编译器自身对判断语句的优化,使用前面条件的结果规避了...

  • 387. First Unique Character in a String

    Problem Given a string, find the first non-repeating character in it and...

  • Resize,w 360,h 240
    169. Majority Element

    Problem Given an array of size n, find the majority element. The majorit...