Record Case Detail

Notes

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

Stderr

=================================================================
==831==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7fff833d7170 at pc 0x559093f5f777 bp 0x7fff833d7010 sp 0x7fff833d7000
READ of size 8 at 0x7fff833d7170 thread T0
    #0 0x559093f5f776 in Dlist<int>::removeAll() [clone .isra.12] (/out/package/dlist_mem+0x2776)
    #1 0x559093f6281e in Dlist<int>::Dlist(Dlist<int> const&) (/out/package/dlist_mem+0x581e)
    #2 0x559093f612d2 in case5() (/out/package/dlist_mem+0x42d2)
    #3 0x559093f5f197 in main (/out/package/dlist_mem+0x2197)
    #4 0x7fe20c02bb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #5 0x559093f5f599 in _start (/out/package/dlist_mem+0x2599)

Address 0x7fff833d7170 is located in stack of thread T0 at offset 0 in frame
    #0 0x559093f5f07f in main (/out/package/dlist_mem+0x207f)

  This frame has 2 object(s):
    [32, 36) 'testnum'
    [96, 100) '<unknown>'
HINT: this may be a false positive if your program uses some custom stack unwind mechanis

Hints

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

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

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

Your Answer


        

JOJ Answer

Test success.