http://gall.dcinside.com/board/view/?id=programming&no=480249&page=2

http://gall.dcinside.com/board/view/?id=programming&no=480249&page=2

http://gall.dcinside.com/board/view/?id=programming&no=480249&page=2

http://gall.dcinside.com/board/view/?id=programming&no=480249&page=2




저건데 높이 a 밑변 a삼각형을 만들고 


b="#" 대신 방금만든 삼각형을 쓰는거임