#15068: hint


jonjonjon (白夜)

School : 康橋雙語學校
ID : 65151
IP address : [118.163.88.50]
Last Login :
2019-09-28 10:23:16
d277. 矩形对角线 | From: [1.34.145.24] | Post Date : 2018-09-09 15:35

 l

  l

l   l

input >>3

output<<2

and

 

      l

   l l

   l l

l        l

input>>4

output<<4

 
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