贡献几道CS电面题# JobHunting - 待字闺中
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1. one array filled with numbers from 1 to N, but one number is missing. wha
t's the most efficient way to find the missing item? what about two or more
numbers are missed?
2. find the repetative chars in a string and delete them
3. find the binary tree from its preorder and inorder traversal
t's the most efficient way to find the missing item? what about two or more
numbers are missed?
2. find the repetative chars in a string and delete them
3. find the binary tree from its preorder and inorder traversal