Cây thông dấu sao

Problem types

Allowed languages

C++, Clang, Clang++, Cobol, D, Groovy, Haskell, JS, Lua, Node JS, ObjectiveC, Prolog, Python, Scala

Points: 100 (p) Time limit: 1.0s Memory limit: 256M Input: stdin Output: stdout

In ra hình vẽ sau:

Output

     *
    ***
   *****
  *******
 *********
***********
     *
     *
     *

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