骚乱起始时，歹徒们就开始砸橱窗、抢商店。
The trouble began when gangs began breaking windows and looting shops.
找到起始点，然后开始填补空白。
Uncover the starting and ending points and start filling in the blanks one at a time.
无论一个方法中有多少条路径，它的起始cnn都从1开始。
Each method starts with a CCN of 1 regardless of how many paths are in the method.
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