RosettaCodeData/Task/100-doors/Red/100-doors.red
2016-12-05 23:44:36 +01:00

20 lines
391 B
Text

Red [
Purpose: "100 Doors Problem (Perfect Squares)"
Author: "Barry Arthur"
Date: "07-Oct-2016"
]
doors: make vector! [char! 8 100]
repeat i 100 [change at doors i #"."]
repeat i 100 [
j: i
while [j <= 100] [
door: at doors j
change door either #"O" = first door [#"."] [#"O"]
j: j + i
]
]
repeat i 10 [
print copy/part at doors (i - 1 * 10 + 1) 10
]