by@drafear
AC
4364ms
IFS=
f(){
read -n1 x
x=`printf %o \'$x`
printf \\$[1/(~c[i]&5),i=i%51+1,x?a=c[i]|=x|a&1:12]
f
}
f T
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Q!!!!!!!!!!!!!!!!!!!!!!!!!!!!!U/code.bash: line 5: 1/(~c[i]&5),i=i%51+1,x?a=c[i]|=x|a&1:12: division by 0 (error token is "(~c[i]&5),i=i%51+1,x?a=c[i]|=x|a&1:12")