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数学:
1. A bag contains 3 white balls and 5 black balls. Two balls are drawn one-by-one randomly without replacement. What is the probability of getting a white ball in the second draw?
2. What is the largest number representable by a 32-bit unsigned integer?
3. graph has N vertices. What is the maximum numetween source and destination would be a straight line.
Coding:
都是地里见过的
Maze: 给一个grid从左上走到右下,有的各自不能走,走一步花一秒,问能不能在maxTim之前走到终点
Coin Change
最后想问一下有数学部分没有submit但还是收到下一步的小伙伴吗?我没点submit它自动跳到coding了...也看不到之前的回答,不知道是不是白做了QwQ |