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cartmanstart 发表于 2017-4-30 14:06
比如：
1 1 0
0 0 1

[1,1,0,0,0,2,3,3,0]是不是少了个0？你这个因为是follow up 1？怎么处理  ignore rotation?

https://www.quora.com/How-do-I-count-the-number-of-unique-shapes-in-a-matrix-containing-many-islands-of-1s
maybe this helps

nice