v-vim, 26 bytes

Result

WA

Duration

860ms

Code [DL]

:%s/.+\(.\)\(\1\| \).+/\1/

stdin

387 646
537 317
438 723
773 822
566 277
243 492
349 947
268 283
759 757
977 476
244 119
745 336
239 339
266 665
235 524
858 582
968 855
911 557
144 477
398 881
895 495
359 556
153 134
462 448
788 949
311 817
135 355
833 385
339 658
298 881
276 679
411 117

stdout

387 646
537 317
438 723
773 822
566 277
243 492
349 947
268 283
759 757
977 476
244 119
745 336
239 339
266 665
235 524
858 582
968 855
911 557
144 477
398 881
895 495
359 556
153 134
462 448
788 949
311 817
135 355
833 385
339 658
298 881
276 679
411 117

stderr

strace

13    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffdc52c0430 /* 9 vars */) = 0
14    execve("/bin/cat", ["cat", "-"], 0x55a9c1209d00 /* 9 vars */) = 0
14    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
15    execve("/root/V/v", ["/root/V/v", "/volume/CODE", "-f", "/tmp/input"], 0x55a9c1209d38 /* 9 vars */) = 0
17    execve("/usr/bin/readlink", ["readlink", "-e", "--", "/root/V/v"], 0x55cee6aecc20 /* 10 vars */) = 0
17    +++ exited with 0 +++
16    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
16    execve("/usr/bin/dirname", ["dirname", "--", "/root/V/v"], 0x55cee6aec3c0 /* 10 vars */) = 0
16    +++ exited with 0 +++
15    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
18    execve("/usr/bin/vim", ["vim", "-Nnes", "/tmp/input", "-u", "/root/V/vim/init.vim", "-i", "NONE", "-c", "call Execute_Program('/volume/CO"..., "-c", "%p", "-c", "q!"], 0x55cee6aebbc0 /* 11 vars */) = 0
19    execve("/usr/bin/head", ["head", "-c", "-1"], 0x55cee6aebbc0 /* 11 vars */) = 0
18    +++ exited with 1 +++
19    +++ exited with 0 +++
15    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=1, si_utime=0, si_stime=1} ---
15    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++