Record Case Detail

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 pwd: /out/package
ppid: 32235
   1: WRITELN > abc | | grep 123
   2: WRITELN exit

Your answer may be identical to the JOJ answer in the first several lines.

However, you will still get Wrong Answer because the complete output may be longer and there might be errors in the future lines.

Please double check your code to solve this problem and try again.

mumsh $ p1.c:254:19: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/unistd.h:582:14: note: nonnull attribute specified here
p1.c:284:39: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/unistd.h:582:14: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior p1.c:254:19 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==32238==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f18c602c4b0 bp 0x7ffcd68202f0 sp 0x7ffcd6820260 T0)
==32238==The signal is caused by a READ memory access.
==32238==Hint: address points to the zero page.
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior p1.c:284:39 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==32239==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f18c602c4b0 bp 0x7ffcd6820770 s

mumsh $ error: missing program
mumsh $ exit

Notes

Stderr

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Your Answer

JOJ Answer