Result

INVALID

Duration

858ms

Code [DL]

export STDIN
a:
	@echo 'a,c[99];main(i){putchar(a=c[i]|=getchar()|a&1)%9&&main(i%51+1);}'|cc -xc -;echo "$$STDIN"|./a.out

stdin

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                                 K                

stdout

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                                 k!!!!!!!!!!!u

stderr

<stdin>:1:1: warning: data definition has no type or storage class
<stdin>:1:1: warning: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
<stdin>:1:3: warning: type defaults to 'int' in declaration of 'c' [-Wimplicit-int]
<stdin>:1:9: warning: return type defaults to 'int' [-Wimplicit-int]
<stdin>: In function 'main':
<stdin>:1:9: warning: type of 'i' defaults to 'int' [-Wimplicit-int]
<stdin>:1:17: warning: implicit declaration of function 'putchar' [-Wimplicit-function-declaration]
<stdin>:1:33: warning: implicit declaration of function 'getchar' [-Wimplicit-function-declaration]
<stdin>:1:33: note: 'getchar' is defined in header '<stdio.h>'; did you forget to '#include <stdio.h>'?

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fff0d19e7d0 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x5564c4e9e068 /* 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} ---
12    execve("/usr/bin/ag_launcher", ["/usr/bin/ag_launcher", "-i", "/usr/bin/make", "-f", "/volume/CODE"], 0x5564c4e9e0e8 /* 7 vars */) = 0
12    execve("/usr/bin/make", ["/usr/bin/make", "-f", "/volume/CODE"], 0x557134c9bc80 /* 8 vars */) = 0
13    execve("/bin/sh", ["/bin/sh", "-c", "echo 'a,c[99];main(i){putchar(a="...], 0x555ba8055c40 /* 11 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("/usr/bin/cc", ["cc", "-xc", "-"], 0x5633035a61d8 /* 11 vars */) = 0
16    execve("/usr/libexec/gcc/x86_64-alpine-linux-musl/8.3.0/cc1", ["/usr/libexec/gcc/x86_64-alpine-l"..., "-quiet", "-", "-quiet", "-dumpbase", "-", "-mtune=generic", "-march=x86-64", "-auxbase", "-", "-o", "/tmp/ccDffjeg.s"], 0x1032b80 /* 14 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=1, si_stime=0} ---
17    execve("/usr/lib/gcc/x86_64-alpine-linux-musl/8.3.0/../../../../x86_64-alpine-linux-musl/bin/as", ["/usr/lib/gcc/x86_64-alpine-linux"..., "--64", "-o", "/tmp/ccDDdePD.o", "/tmp/ccDffjeg.s"], 0x1032b80 /* 14 vars */) = 0
17    +++ exited with 0 +++
15    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
18    execve("/usr/libexec/gcc/x86_64-alpine-linux-musl/8.3.0/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=/tmp/cc"..., "-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", "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "-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", "-L/usr/lib/../lib", "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/usr/lib/gcc/x86_64-alpine-lin"..., ...], 0x1032b80 /* 16 vars */) = 0
19    execve("/usr/lib/gcc/x86_64-alpine-linux-musl/8.3.0/../../../../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=/tmp/cc"..., "-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", "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "/usr/lib/gcc/x86_64-alpine-linux"..., "-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", "-L/usr/lib/../lib", "-L/usr/lib/gcc/x86_64-alpine-lin"..., "-L/usr/lib/gcc/x86_64-alpine-lin"..., ...], 0x7ffcf6a01268 /* 16 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=0, si_stime=1} ---
18    +++ exited with 0 +++
15    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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} ---
21    execve("./a.out", ["./a.out"], 0x5633035a6198 /* 11 vars */ <unfinished ...>
20    +++ exited with 0 +++
21    <... execve resumed> )            = 0
13    --- 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 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, 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=0, si_stime=0} ---
10    +++ exited with 0 +++