fish, 28 bytes

Result

AC

Duration

535ms

Code [DL]

999**\
):n*->:iii@@*+::%+-:0

stdin

56
94
30
53
66
16
88
73
57
33
36
86
64
18
35
54
82
72
63
47
19
81
55
42
43
10
58
38
61
26
93
52
23
24
99
17
37
39
97
62
78
80
27
45
49
44
96
65
91
74

stdout

10100100000000000000000001000000000000000000000000

stderr

something smells fishy...

strace

12    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc14249318 /* 7 vars */) = 0
14    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/fish.py", "/volume/CODE"], 0x7f076065d368 /* 7 vars */ <unfinished ...>
13    execve("/bin/cat", ["cat", "-"], 0x7f076065d268 /* 7 vars */ <unfinished ...>
14    <... execve resumed>)             = 0
13    <... 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 0 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=6, si_stime=0} ---
12    +++ exited with 0 +++