Round-robin tournament schedule: Difference between revisions
→{{header|jq}}
(Add Swift implementation) |
|||
Line 943:
Round 5: ( 1 vs 2 ) ( 3 vs 0 ) ( 4 vs 5 )
</pre>
=={{header|jq}}==
{{Works with|jq}}
'''Works with gojq, the Go implementation of jq'''
'''Adapted from [[#Wren|Wren]]'''
<syntaxhighlight lang="jq">
def lpad($len): tostring | ($len - length) as $l | (" " * $l) + .;
def rotate: .[-1:] + .[:-1];
def roundRobin($n):
{$n, lst: [range(2; $n+1)]}
| if $n % 2 == 1
then .lst += [0] # 0 denotes a bye
| .n += 1
end
| foreach range(1; .n) as $r (.;
.emit = "Round \($r|lpad(3)): "
| ([1] + .lst) as $lst2
| reduce range(0; .n/2) as $i (.;
.emit += " (\($lst2[$i]|lpad(2)) vs \($lst2[.n - 1 - $i]|lpad(2)))")
| .lst |= rotate )
| .emit ;
"Round robin for 12 players:",
roundRobin(12),
"\n\nRound robin for 5 players (0 denotes a bye):\n",
roundRobin(5)
</syntaxhighlight>
{{output}}
Essentially the same as for [[#Wren|Wren]].
=={{header|Julia}}==
| |||