Record Case Detail

Notes

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

Stderr

=================================================================
==832==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7ffd33bfa870 at pc 0x55cfda1d6777 bp 0x7ffd33bfa710 sp 0x7ffd33bfa700
READ of size 8 at 0x7ffd33bfa870 thread T0
    #0 0x55cfda1d6776 in Dlist<int>::removeAll() [clone .isra.12] (/out/package/dlist_mem+0x2776)
    #1 0x55cfda1d981e in Dlist<int>::Dlist(Dlist<int> const&) (/out/package/dlist_mem+0x581e)
    #2 0x55cfda1d89d2 in case6() (/out/package/dlist_mem+0x49d2)
    #3 0x55cfda1d6197 in main (/out/package/dlist_mem+0x2197)
    #4 0x7fd3915c1b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #5 0x55cfda1d6599 in _start (/out/package/dlist_mem+0x2599)

Address 0x7ffd33bfa870 is located in stack of thread T0 at offset 0 in frame
    #0 0x55cfda1d607f 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.