Result

WA

Duration

889ms

Code [DL]

char s[11],c[2];
main(b){for(;gets(s);puts(c))for(*c=48,b=0;b<10&&s[b]!=95||s[b+1]!=95;b++)*c+=s[b]!=95;}

stdin

|||||_||__
|_|_||_|||
|||_|_||||
||_|||__|_
|_||_||__|
|_|___|_||
|||||_|_||
||____|||_
|_|___|||_
||__|||_||
|||_|_||_|
|__||||__|
|_||||||_|
|||__|||_|
|____|||_|
||_|_|_||_
|__|_|_|_|
|||__|__||
|||||___||
|_||__|_||
|_|_|||__|
||__|_|__|
|_|_____|_
|____|_|_|
|__||__|_|
|_||__|_|_
|||||_||||
|_|_|___||
|||__|____
|||_||||_|

stdout

7

stderr

/tmp/code.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
    2 | main(b){for(;gets(s);puts(c))for(*c=48,b=0;b<10&&s[b]!=95||s[b+1]!=95;b++)*c+=s[b]!=95;}
      | ^~~~
/tmp/code.c: In function 'main':
/tmp/code.c:2:1: warning: type of 'b' defaults to 'int' [-Wimplicit-int]
/tmp/code.c:2:14: warning: implicit declaration of function 'gets' [-Wimplicit-function-declaration]
    2 | main(b){for(;gets(s);puts(c))for(*c=48,b=0;b<10&&s[b]!=95||s[b+1]!=95;b++)*c+=s[b]!=95;}
      |              ^~~~
/tmp/code.c:2:22: warning: implicit declaration of function 'puts' [-Wimplicit-function-declaration]
    2 | main(b){for(;gets(s);puts(c))for(*c=48,b=0;b<10&&s[b]!=95||s[b+1]!=95;b++)*c+=s[b]!=95;}
      |                      ^~~~
/tmp/code.c:2:48: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    2 | main(b){for(;gets(s);puts(c))for(*c=48,b=0;b<10&&s[b]!=95||s[b+1]!=95;b++)*c+=s[b]!=95;}
      |                                            ~~~~^~~~~~~~~~
Segmentation fault (core dumped)

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE.c"], 0x7fff2800cf50 /* 7 vars */) = 0
11    execve("/usr/bin/realpath", ["realpath", "/volume/CODE.c"], 0x55c4dfbedd20 /* 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("/bin/ln", ["ln", "-sf", "/volume/CODE.c", "/tmp/code.c"], 0x55c4dfbedd40 /* 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    execve("/usr/bin/gcc", ["gcc", "-Wall", "-O2", "-std=c99", "/tmp/code.c", "-o", "/tmp/code", "-lm"], 0x55c4e00a50d8 /* 7 vars */) = 0
14    execve("/usr/libexec/gcc/x86_64-alpine-linux-musl/9.3.0/cc1", ["/usr/libexec/gcc/x86_64-alpine-l"..., "-quiet", "/tmp/code.c", "-quiet", "-dumpbase", "code.c", "-mtune=generic", "-march=x86-64", "-auxbase", "code", "-O2", "-Wall", "-std=c99", "-o", "/tmp/ccOLeNAo.s"], 0x1e7c020 /* 10 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=1, si_stime=0} ---
15    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"..., "--64", "-o", "/tmp/ccjLheAc.o", "/tmp/ccOLeNAo.s"], 0x1e7c020 /* 10 vars */) = 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} ---
16    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=/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", "-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/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", ...], 0x1e7c020 /* 12 vars */) = 0
17    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=/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", "-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/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", ...], 0x7fff325b0680 /* 12 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    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, 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} ---
19    execve("/tmp/code", ["/tmp/code"], 0x55c4dfbedcf0 /* 7 vars */) = 0
18    execve("/bin/cat", ["cat", "-"], 0x55c4dfbedd08 /* 7 vars */) = 0
19    --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x55cd6e733000} ---
18    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
19    +++ killed by SIGSEGV (core dumped) +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=19, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} ---
20    execve("/bin/rm", ["rm", "/tmp/code.c", "/tmp/code"], 0x55c4dfbedcf0 /* 7 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} ---
10    +++ exited with 0 +++