cobol, 169 bytes

Result

AC

Duration

973ms

Code [DL]

	program-id.a.data division.local-storage section. 1 l pic x(7).
	procedure division.a.accept l.if l(2:1)=l(3:1)display l(2:1)
	else display l(5:1).if l=""stop run.go a.

stdin

576 664
119 316
376 644
199 166
533 339
421 115
259 593
499 592
283 118
884 483
214 118
611 211
987 693
649 799
558 987
466 681
411 992
765 564
339 132
487 886
752 786
462 553
944 835
626 268
729 217
388 118
577 736
679 341
499 995
263 742
554 438
319 182

stdout

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

stderr

/tmp/code.cbl:3: warning: line not terminated by a newline
/tmp/code.cbl: in paragraph 'a':
/tmp/code.cbl:3: warning: alphanumeric literal has zero length; a SPACE will be assumed

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe8ddcea80 /* 9 vars */) = 0
11    execve("/usr/bin/realpath", ["realpath", "/volume/CODE"], 0x55661c8cfd18 /* 9 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} ---
12    execve("/bin/ln", ["ln", "-sf", "/volume/CODE", "/tmp/code.cbl"], 0x55661c8cfd38 /* 9 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    execve("/usr/local/bin/cobc", ["/usr/local/bin/cobc", "-x", "-o", "/tmp/code", "/tmp/code.cbl"], 0x55661d602028 /* 9 vars */) = 0
14    execve("/bin/sh", ["sh", "-c", "gcc -c -I/usr/local/include -Wno"...], 0x558a7d194660 /* 10 vars */) = 0
14    execve("/usr/bin/gcc", ["gcc", "-c", "-I/usr/local/include", "-Wno-unused", "-fsigned-char", "-Wno-pointer-sign", "-pipe", "-o", "./cob13_0.o", "./cob13_0.c"], 0x559fd89422a8 /* 10 vars */) = 0
15    execve("/usr/libexec/gcc/x86_64-alpine-linux-musl/9.3.0/cc1", ["/usr/libexec/gcc/x86_64-alpine-l"..., "-quiet", "-I", "/usr/local/include", "./cob13_0.c", "-quiet", "-dumpbase", "cob13_0.c", "-mtune=generic", "-march=x86-64", "-auxbase-strip", "./cob13_0.o", "-Wno-unused", "-Wno-pointer-sign", "-fsigned-char", "-o", "-"], 0x1050820 /* 12 vars */) = 0
16    execve("/usr/lib/gcc/x86_64-alpine-linux-musl/9.3.0/../../../../x86_64-alpine-linux-musl/bin/as", ["/usr/lib/gcc/x86_64-alpine-linux"..., "-I", "/usr/local/include", "--64", "-o", "./cob13_0.o"], 0x1050820 /* 12 vars */) = 0
15    +++ exited with 0 +++
14    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=3, si_stime=0} ---
16    +++ exited with 0 +++
14    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=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=1} ---
17    execve("/bin/sh", ["sh", "-c", "gcc -Wl,--export-dynamic -o \"/tm"...], 0x558a7d194660 /* 10 vars */) = 0
17    execve("/usr/bin/gcc", ["gcc", "-Wl,--export-dynamic", "-o", "/tmp/code", "./cob13_0.o", "-L/usr/local/lib", "-lcob", "-lm", "-lgmp", "-ldb-5.3"], 0x55ebc2fec248 /* 10 vars */) = 0
18    execve("/usr/libexec/gcc/x86_64-alpine-linux-musl/9.3.0/collect2", ["/usr/libexec/gcc/x86_64-alpine-l"..., "-plugin", "/usr/libexec/gcc/x86_64-alpine-l"..., "-plugin-opt=/usr/libexec/gcc/x86"..., "-plugin-opt=-fresolution=./ccJFO"..., "-plugin-opt=-pass-through=-lgcc", "-plugin-opt=-pass-through=-lgcc_"..., "-plugin-opt=-pass-through=-lc", "-plugin-opt=-pass-through=-lgcc", "-plugin-opt=-pass-through=-lgcc_"..., "--eh-frame-hdr", "--hash-style=gnu", "-m", "elf_x86_64", "--as-needed", "-dynamic-linker", "/lib/ld-musl-x86_64.so.1", "-pie", "-z", "relro", "-z", "now", "-o", "/tmp/code", "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "-L/usr/local/lib", "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/lib/../lib", ...], 0x569b20 /* 15 vars */) = 0
19    execve("/usr/lib/gcc/x86_64-alpine-linux-musl/9.3.0/../../../../x86_64-alpine-linux-musl/bin/ld", ["/usr/lib/gcc/x86_64-alpine-linux"..., "-plugin", "/usr/libexec/gcc/x86_64-alpine-l"..., "-plugin-opt=/usr/libexec/gcc/x86"..., "-plugin-opt=-fresolution=./ccJFO"..., "-plugin-opt=-pass-through=-lgcc", "-plugin-opt=-pass-through=-lgcc_"..., "-plugin-opt=-pass-through=-lc", "-plugin-opt=-pass-through=-lgcc", "-plugin-opt=-pass-through=-lgcc_"..., "--eh-frame-hdr", "--hash-style=gnu", "-m", "elf_x86_64", "--as-needed", "-dynamic-linker", "/lib/ld-musl-x86_64.so.1", "-pie", "-z", "relro", "-z", "now", "-o", "/tmp/code", "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "-L/usr/local/lib", "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/lib/../lib", ...], 0x7ffda47c4918 /* 15 vars */) = 0
19    +++ exited with 0 +++
18    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
18    +++ exited with 0 +++
17    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
17    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, 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=0, si_stime=0} ---
20    execve("/bin/cat", ["cat", "-"], 0x55661c8cfd08 /* 9 vars */) = 0
21    execve("/tmp/code", ["/tmp/code"], 0x55661c8cfcf0 /* 9 vars */) = 0
20    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
21    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
22    execve("/bin/rm", ["rm", "/tmp/code.cbl", "/tmp/code"], 0x55661c8cfcf0 /* 9 vars */) = 0
22    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
10    +++ exited with 0 +++