Islands HDU - 2808
题目链接：Islands HDU - 2808
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Islands
Time Limit: 1000 ms
Memory Limit: 32768 kB
Description
There are so many islands in the sea. Some islands are enclosed by other ones. So, we can classify all the islands to several levels. An island has a level of 0 if it is contains no other islands. An island has a level of K+1 if it contains one or more islands and the highest level of the contained island(s) is K. Now, the map of the sea is given. Your task is to calculate the areas of islands in each level.
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