Leetcode Weekly Contest 290 Screencast (Rank 136)

Practicing coding and commutation.
Final rank 136/19477.

If you have any suggestion, welcome to talk to me.

Timeline:
Q4: 0:00 - 6:31
Q3: 6:31 - 19:41
Q2: 19:41 - 25:14
Q1: 25:14 - 27:25
short explanations and standing: 27:25

(這系列基本上錄給自己看的)
換了mac 我打字好慢
為啥我鍵盤聲那麼大力.... 尤其按下shift
這場bug蠻多的 速度也偏慢
嗚嗚嗚