Record Case Detail

This function is in beta test. Please help improve it in the issues here.

 pwd: /out/package
ppid: 14469
   1: WRITELN diff
   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 $ diff: missing operand after 'diff'
diff: Try 'diff --help' for more information.
AddressSanitizer:DEADLYSIGNAL
=================================================================
==14470==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000428483 bp 0x7ffd4bd82840 sp 0x7ffd4bd827f0 T0)
==14470==The signal is caused by a READ memory access.
==14470==Hint: address points to the zero page.
    #0 0x428482  (/out/package/mumsh_memory_check+0x428482)
    #1 0x4dcc3a  (/out/package/mumsh_memory_check+0x4dcc3a)
    #2 0x51c7d8  (/out/package/mumsh_memory_check+0x51c7d8)
    #3 0x7fd0547cdb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41cf79  (/out/package/mumsh_memory_check+0x41cf79)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/mumsh_memory_check+0x428482) 
==14470==ABORTING

mumsh $ diff: missing operand after 'diff'
diff: Try 'diff --help' for more information.
mumsh $ exit

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JOJ Answer