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  1. #!perl -pl
  2. /\B./;s/$&/P/g;y/TKA/IRT/;$_=reverse;@a=sort split;/$a[-1]/;$_=4-"@-"/3
Success #stdin #stdout 0s 6000KB
stdin
TH QC JH 2H
KC 5S QS 9C
QD 2D TD 5D
9S 5D AD QS
3D 4C 3H JH
9S 4S TS JS
5H 9H 2C AD
5S 4C 3H QD
stdout
3
3
1
4
1
4
2
1