Algorithms
Ctrlk
  • Introduction
  • Single Array 单数组
  • Sub Arrays 子数组
  • Two Arrays 双数组
  • Linked List 链表
  • Segment 线段
    • Segment Tree 基础
    • 区间求值
    • 数字比较
      • 【Medium】248. Count of Smaller Number
      • 【Hard】249. Count of Smaller Number before itself
  • Interval 区间
  • Binary Search 二分法
  • Sort 排序
  • Top-K 查询
  • Palindrom 回文串
  • Mathmatic 数学运算
  • Data Structure 构造数据结构
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  1. Segment 线段

数字比较

【Medium】248. Count of Smaller Number【Hard】249. Count of Smaller Number before itself
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Last updated 7 years ago