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- #!/usr/bin/ruby
- func draw_grid(n, k) {
- if (n % k != 0) {
- warn "#{n} is not divisible by #{k}"
- }
- func sym( (true), (true) ) { '+' }
- func sym( (true), (false) ) { '-' }
- func sym( (false), (true) ) { '|' }
- func sym( (false), (false) ) { ' ' }
- (n+1).of {|a|
- (n+1).of {|b|
- sym(a %% n/k, b %% n/k)
- }.join
- }.join("\n").say
- }
- draw_grid(25, 5)
- draw_grid(16, 2)
- draw_grid(12, 3)
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