bash-pure, 42 bytes

Result

WA

Duration

967ms

Code [DL]

read a b;echo $[b%110<9?b/100%b:a%10];. $0

stdin

862 227
722 298
142 741
946 641
577 442
524 843
289 997
228 113
413 186
299 556
838 839
296 378
456 546
365 274
395 695
363 885
755 535
916 638
766 662
799 692
484 387
956 566
244 441
677 177
277 357
238 339
649 496
775 519
744 498
399 216
714 114
754 645

stdout

2
2
2
6
4
4
9
1
3
5
8
6
6
5
5
8
5
6
6
9
4
6
4
7
7
8
9
5
4
9
1
4

stderr

/code.bash: line 1: b%110<9?b/100%b:a%10: division by 0 (error token is "b:a%10")

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffd95ea0680 /* 9 vars */) = 0
11    execve("/usr/bin/realpath", ["realpath", "/volume/CODE"], 0x55931df94d18 /* 9 vars */) = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    execve("/bin/cp", ["cp", "-f", "/volume/CODE", "/opt/jails/bash-pure/code.bash"], 0x55931df94d58 /* 9 vars */) = 0
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    execve("/bin/cat", ["cat", "-"], 0x55931fb7c0d8 /* 9 vars */) = 0
14    execve("/usr/sbin/jk_chrootlaunch", ["jk_chrootlaunch", "-j", "/opt/jails/bash-pure", "-x", "/bin/bash", "/code.bash"], 0x55931fb7c1c0 /* 9 vars */) = 0
13    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
14    execve("/bin/bash", ["/bin/bash", "/code.bash"], 0x7ffee171ba50 /* 9 vars */) = 0
14    +++ exited with 1 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=1, si_utime=0, si_stime=1} ---
15    execve("/bin/rm", ["rm", "/opt/jails/bash-pure/code.bash"], 0x55931df94cb8 /* 9 vars */) = 0
15    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
10    +++ exited with 0 +++