arithmetic, 144 bytes

Result

AC

Duration

940ms

Code [DL]

1=1
2=2
5=5
10-1=9
75=75
11=11
1=1+0
51-0=51
0=0
84=168/2
75=84-9
51*0=0/2
51=51
84=84
84=42*2
75/84=1/3
0=11-11
1=1+0
51-0=51
0=0
0=0*0
46=51-5

stdin

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               K                                  

stdout

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               K000000000000000000000000

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc3db25c10 /* 9 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x5585d02c7068 /* 9 vars */ <unfinished ...>
12    execve("/usr/local/ruby-2.6.3/bin/ruby", ["/usr/local/ruby-2.6.3/bin/ruby", "/root/Arithmetic/eso.rb", "/volume/CODE"], 0x5585d02c7090 /* 9 vars */ <unfinished ...>
11    <... execve resumed> )            = 0
12    <... execve resumed> )            = 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    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=14, si_stime=4} ---
10    +++ exited with 0 +++