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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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15
Task/Run-length-encoding/Tcl/run-length-encoding-1.tcl Normal file
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proc encode {string} {
set encoding {}
# use a regular expression to match runs of one character
foreach {run -} [regexp -all -inline {(.)\1+|.} $string] {
lappend encoding [string length $run] [string index $run 0]
}
return $encoding
}
proc decode {encoding} {
foreach {count char} $encoding {
append decoded [string repeat $char $count]
}
return $decoded
}

6
Task/Run-length-encoding/Tcl/run-length-encoding-2.tcl Normal file
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set str "WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW"
set enc [encode $str] ;# ==> {12 W 1 B 12 W 3 B 24 W 1 B 14 W}
set dec [decode $enc]
if {$str eq $dec} {
puts "success"
}