wenyan, 85 bytes

Result

AC

Duration

946ms

Code [DL]

疏曰*/console.log(...(""+require("fs").readFileSync(0)).match(/ .|(?<=(.))\1 /g))/*

stdin

157 779
918 886
351 186
432 422
827 223
699 935
848 286
798 981
166 383
499 293
163 766
866 657
366 114
815 728
633 334
566 862
246 557
865 563
627 297
182 567
718 182
764 167
813 236
766 771
855 553
238 553
369 983
851 936
483 882
152 546
283 386
599 135

stdout

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

stderr

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fff56aa5c00 /* 9 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x5563c125fd30 /* 9 vars */ <unfinished ...>
13    execve("/usr/bin/wenyan", ["/usr/bin/wenyan", "/volume/CODE"], 0x5563c125fd40 /* 9 vars */ <unfinished ...>
12    <... execve resumed>)             = 0
13    <... execve resumed>)             = 0
13    execve("/bin/node", ["node", "/usr/bin/wenyan", "/volume/CODE"], 0x7ffc590522f0 /* 9 vars */) = -1 ENOENT (No such file or directory)
13    execve("/usr/local/sbin/node", ["node", "/usr/bin/wenyan", "/volume/CODE"], 0x7ffc590522f0 /* 9 vars */) = -1 ENOENT (No such file or directory)
13    execve("/usr/local/bin/node", ["node", "/usr/bin/wenyan", "/volume/CODE"], 0x7ffc590522f0 /* 9 vars */) = -1 ENOENT (No such file or directory)
13    execve("/usr/sbin/node", ["node", "/usr/bin/wenyan", "/volume/CODE"], 0x7ffc590522f0 /* 9 vars */) = -1 ENOENT (No such file or directory)
13    execve("/usr/bin/node", ["node", "/usr/bin/wenyan", "/volume/CODE"], 0x7ffc590522f0 /* 9 vars */ <unfinished ...>
12    +++ exited with 0 +++
13    <... execve resumed>)             = 0
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
16    +++ exited with 0 +++
15    +++ exited with 0 +++
14    +++ exited with 0 +++
17    +++ exited with 0 +++
18    +++ exited with 0 +++
19    +++ exited with 0 +++
13    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=9, si_stime=2} ---
11    +++ exited with 0 +++