Record Case Detail

Notes

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

Stderr

=================================================================
==833==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7ffe452b2e70 at pc 0x561a096db777 bp 0x7ffe452b2d10 sp 0x7ffe452b2d00
READ of size 8 at 0x7ffe452b2e70 thread T0
    #0 0x561a096db776 in Dlist<int>::removeAll() [clone .isra.12] (/out/package/dlist_mem+0x2776)
    #1 0x561a096de81e in Dlist<int>::Dlist(Dlist<int> const&) (/out/package/dlist_mem+0x581e)
    #2 0x561a096dc592 in case3() (/out/package/dlist_mem+0x3592)
    #3 0x561a096db197 in main (/out/package/dlist_mem+0x2197)
    #4 0x7f152b342b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #5 0x561a096db599 in _start (/out/package/dlist_mem+0x2599)

Address 0x7ffe452b2e70 is located in stack of thread T0 at offset 0 in frame
    #0 0x561a096db07f 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.