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:-? why there is no one help me?!? ~~~55555~~~ by the way, one more question: I don't know what is the exactly meaning about "word". for example, if the input is "don't" , Is it means is equal to "dont" that is "don't","dont" or "do:,n!t" must be considered to same?!? Or ther is another meaning?!? h...

WA
I have test my c++ code for sample input ,that is correct. But I still got WA for this problem(#860) .

I have no more ideas what is wrong. .Can you help me?
Are there any suggested test cases ?
And could tell me any hints about this problem?!?

thanks

you vector length is 500, I think that is too small, because "All coordinates of buildings are positive integers less than 10,000 ". so I denfine the vector is 100002,that is better. :wink: and another problem is your output. for example, your output is: 2^3^4^('^'means space) but,the output should ...

is it possible that left coordinator equal to right coordinator(ie, L==R) for the input data?!?

but, now the building is not an rectangular, it is just a line!