What I have
我拥有的
ID | t | event
A | 1 | 0
A | 2 | 1
A | 3 | 1
A | 4 | 0
A | 5 | 1
A | 6 | 1
A | 7 | 1
A | 8 | 1
A | 9 | 0
B | 1 | 1
B | 2 | 1
B | 3 | 1
B | 4 | 0
B | 5 | 1
B | 6 | 0
B | 7 | 1
B | 8 | 1
B | 9 | 0
ID | t | event
A | 1 | 0
A
阅读背景：
查找多行中一集的最长连续持续时间
来源：互联网
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