240 发简信
Fei_JOB
IP属地：北京
  • 75 sort color

    1196 0 0
  • 146 LRU cache

    1261 0 0
  • 437 path sum III

    877 0 0
  • 105 construct tree with preorder and inorder

    1241 0 0
  • 106 construct tree with inorder and postorder sequnce

    1664 0 0
  • 173 binary search tree iterator

    1345 0 0
  • 301 remove invalid parenthesis

    **BFS: ** remove i parenthesis and add to queue, when one is valid then...

    818 0 0
  • 298 longest consecutive Sequence in binary tree

    Math.max(current count, Math.max(leftSubtree, rightSubtree))current coun...

    1300 0 0
  • 153 find minimum in rotated array

    key: this is asking the first element smaller than target = nums[last]

    1157 0 0
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