jq, 39 bytes

Result

AC

Duration

1271ms

Code [DL]

.[if.[1:2]==.[2:3]then 2else 4end:][:1]

stdin

513 339
188 158
837 272
922 224
593 927
577 722
377 768
413 315
561 591
515 815
295 234
425 558
983 634
151 155
387 878
433 882
899 547
575 446
644 449
355 226
372 198
873 364
288 481
684 723
737 362
455 853
716 119
267 228
542 421
448 447
818 876
883 187

stdout

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

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc13f1c2a0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x55ed39d62cf8 /* 7 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} ---
13    execve("/usr/bin/jq", ["/usr/bin/jq", "-rR", "-f", "/volume/CODE"], 0x55ed3a9f7430 /* 7 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    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=4, si_stime=0} ---
10    +++ exited with 0 +++