ruby, 30 bytes

Result

AC

Duration

575ms

Code [DL]

$><<?T*gets.scan("tokyo").size

stdin

tokyototokyokyotokyotokyokyokyokyototokyototokyoto

stdout

TTTTTT

stderr

strace

14    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffec9aada88 /* 9 vars */) = 0
16    execve("/usr/local/ruby-latest/bin/ruby", ["/usr/local/ruby-latest/bin/ruby", "/volume/CODE"], 0x7f0ebc448260 /* 9 vars */) = 0
15    execve("/bin/cat", ["cat", "-"], 0x7f0ebc448240 /* 9 vars */) = 0
15    +++ exited with 0 +++
14    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
16    +++ exited with 0 +++
14    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=6, si_stime=0} ---
14    +++ exited with 0 +++