golfscript, 13 bytes

Result

AC

Duration

554ms

Code [DL]

[n]-{96<48+}%

stdin

AbcDeFgHIJkLmNOPqrSTUvWXYZ

stdout

10010101110101110011101111

stderr

strace

12    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffef939cc58 /* 9 vars */) = 0
13    execve("/bin/cat", ["cat", "-"], 0x7f476b394270 /* 9 vars */ <unfinished ...>
14    execve("/usr/local/ruby-latest/bin/ruby", ["/usr/local/ruby-latest/bin/ruby", "/root/golfscript.rb", "/volume/CODE"], 0x7f476b394368 /* 9 vars */ <unfinished ...>
13    <... execve resumed>)             = 0
13    +++ exited with 0 +++
14    <... execve resumed>)             = 0
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
14    +++ exited with 0 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=5, si_stime=0} ---
12    +++ exited with 0 +++