application/octet-stream
•
883 B
•
39 lines
#!/usr/bin/env nujel
[def counter 0]
[defun in-area? [x y]
[and [>= x 144]
[<= x 178]
[>= y -100]
[<= y -76]]]
[defun over? [x y]
[or [> x 178]
[< y -100]]]
[defun zdir [a]
[cond [[zero? a] 0]
[[> a 0] -1]
[#t 1]]]
[defun shoot [x y vx vy max-y]
;[println [cat x " " y " " vx " " vy]]
[cond [[in-area? x y] [++ counter] max-y]
[[over? x y] 0]
[#t [shoot [+ x vx] [+ y vy] [+ vx [zdir vx]] [+ vy -1] [max y max-y]]]]]
[defun find-max []
[def ret 0]
[for [vx 0 300]
[for [vy -300 300]
[def res [shoot 0 0 vx vy 0]]
[set! ret [max ret res]]
]] ret]
[def res-p1 [find-max]]
[when [!= res-p1 4950]
[throw [list :wrong-result "Wrong result" res-p1]]]
[def res-p2 counter]
[when [!= res-p2 1477]
[throw [list :wrong-result "Wrong result" res-p2]]]
