数字和问题

  • 002-twosum-两数和
  • 015-3sum
  • 016-3sumClose
  • 018-4sum
  • 167-twosum2-两数和

查找数组

  • 4-Median-of-two-sorted-arrays-中位数
  • 33-search in rotated sorted arrat-查找有序数组
  • 81-search in rotated sorted array-2-查找旋转数组
  • 41-first missing positive-丢失的数
  • 153-Find Minimum in Rotated Sorted Array-查找排序数
  • 154-Find Minimum in Rotated Sorted Array2-查找排序数
  • 162-Find Peak Element-查找
  • 169-Majority Element-查找主要元素
  • 217-contains duplicate2-查找重复
  • 219-contains duplicate3-查找重复
  • 229-Majority Element II-查找主要元素
  • 268-missing number-查找缺失的数组
  • 287-find the dupicate number-查找重复数字

删除元素

  • 26-reomve duplicatesform sorted array-删除重复元素
  • 27-remove element-删除元素
  • 80-romove duplication from sorted array-2-删除重复
  • 283-move zeros-移除0

数组的排序组合

  • 31-next permutation-数值的排列组合
  • 39-combination sum
  • 40-combinaionsum2
  • 216-combination sum3-组合数
  • 53-max subarray-最大子数组
  • 78-subsets-子集
  • 90-subsets-2-子集
  • 128-longest consecutive sequece-最长子串
  • 152-Maximum Product Subarray-乘积子数组

  • 209-mim size subarray sum- 最小路径和

  • 238-product of array except arrray-子数组

数组的范围查找

  • 34-search for a range
  • 35-serach insert position
  • 56-merg intervals-何必间隔
  • 57-insert intervals-插入间隔
  • 228-summary range- 查找范围

数组的路径

  • 45-jump game2-数的跳跃
  • 55-jump game-数的跳跃
  • 62-unque path-路径
  • 63-unque path2-路径
  • 64-min path sun-最小路径和

数组的排序

  • 75-sort color-012排序
  • 88-merge sorted array-合并排序数组

数组旋转

  • 48-rotate image-旋转图片
  • 54-spiral matrix-旋转生产数组
  • 59-spiral matrix2-旋转生产数组
  • 189-rotated array-旋转数组

矩阵

  • 66-plus one-数组加法
  • 73-set matrix zeros-设置矩阵行列为0
  • 74-search a 2D matrix-查找矩阵

数组二叉树

  • 105-Construct Binary Tree from Preorder and Inorder Traversal-二叉树
  • 106-Construct Binary Tree from Inorder and Postorder Traversal-2-二叉树

三角形

  • 118-pascals triangle-三角形
  • 119-pascals triangle2-三角形
  • 120-triangle-三角形

水的体积

  • 11-contain-with-most-water-水的体积
  • 42-trapping rain water-水的体积
  • 84-largest rectanle in histogram-水的体积
  • 85-maximal rectangle-水的体积

股票

  • 121- Best Time to Buy and Sell Stock-股票
  • 122-Best Time to Buy and Sell Stock-股票
  • 123-Best Time to Buy and Sell Stock-股票

其他

  • 79-word serach-查找单词
  • 126-word ladder2-查找单词
  • 289-game of life-游戏

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