by@akouryy1
AC
566ms
"\\#{require'matrix';p Matrix[*$<.map{|x|eval'A=1,'+x.split*?,}].det/6}"
52 53 71 17 41 25 05 63 59 89 36 23
6101
(eval):1: warning: already initialized constant Cy::A (eval):1: warning: previous definition of A was here (eval):1: warning: already initialized constant Cy::A (eval):1: warning: previous definition of A was here (eval):1: warning: already initialized constant Cy::A (eval):1: warning: previous definition of A was here