verilog, 91 bytes

Result

WA

Duration

857ms

Code [DL]

module a;time X,Y;task
while($fscanf(1<<31,"%d%d",X,Y))$write(Y/10%11?X%10:Y/100);endmodule

stdin

466 558
297 971
353 358
244 752
611 414
511 313
285 841
398 292
736 662
272 125
552 118
877 779
975 646
292 915
268 199
611 374
683 839
341 179
211 118
991 992
736 331
613 733
511 449
811 122
166 826
452 776
922 895
718 828
433 376
269 991
198 898
434 734

stdout

stderr

/volume/CODE:2: syntax error
/volume/CODE:2: error: invalid module item.
/root/script: line 5: /tmp/code: not found
rm: can't remove '/tmp/code': No such file or directory

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc381600e0 /* 9 vars */) = 0
11    execve("/usr/local/bin/iverilog", ["/usr/local/bin/iverilog", "-o", "/tmp/code", "/volume/CODE"], 0x55fbc1f63d50 /* 9 vars */) = 0
12    execve("/bin/sh", ["sh", "-c", "/usr/local/lib/ivl/ivlpp  -L -F\""...], 0x7ffef9f85940 /* 9 vars */) = 0
13    execve("/usr/local/lib/ivl/ivlpp", ["/usr/local/lib/ivl/ivlpp", "-L", "-F/tmp/ivrlg23999c4e2", "-f/tmp/ivrlg3999c4e2", "-p/tmp/ivrli3999c4e2"], 0x556ec27172a8 /* 9 vars */ <unfinished ...>
14    execve("/usr/local/lib/ivl/ivl", ["/usr/local/lib/ivl/ivl", "-C/tmp/ivrlh3999c4e2", "-C/usr/local/lib/ivl/vvp.conf", "--", "-"], 0x556ec2717290 /* 9 vars */ <unfinished ...>
13    <... execve resumed>)             = 0
14    <... execve resumed>)             = 0
13    +++ exited with 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 2 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=2, si_utime=0, si_stime=0} ---
12    +++ exited with 2 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=2, si_utime=0, si_stime=0} ---
11    +++ exited with 2 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=2, si_utime=0, si_stime=0} ---
15    execve("/bin/cat", ["cat", "-"], 0x55fbc1f63d08 /* 9 vars */ <unfinished ...>
16    execve("/tmp/code", ["/tmp/code"], 0x55fbc1f63cf0 /* 9 vars */) = -1 ENOENT (No such file or directory)
15    <... execve resumed>)             = 0
16    +++ exited with 127 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=127, si_utime=0, si_stime=0} ---
15    --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=15, si_uid=0} ---
15    +++ killed by SIGPIPE +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=15, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} ---
17    execve("/bin/rm", ["rm", "/tmp/code"], 0x55fbc1f63c98 /* 9 vars */) = 0
17    +++ exited with 1 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=1, si_utime=0, si_stime=0} ---
10    +++ exited with 1 +++