Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==876==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7fffc424d160 at pc 0x562ccf5f6777 bp 0x7fffc424d000 sp 0x7fffc424cff0
READ of size 8 at 0x7fffc424d160 thread T0
#0 0x562ccf5f6776 in Dlist<int>::removeAll() [clone .isra.12] (/out/package/dlist_mem+0x2776)
#1 0x562ccf5f981e in Dlist<int>::Dlist(Dlist<int> const&) (/out/package/dlist_mem+0x581e)
#2 0x562ccf5f89d2 in case6() (/out/package/dlist_mem+0x49d2)
#3 0x562ccf5f6197 in main (/out/package/dlist_mem+0x2197)
#4 0x7f9133b49b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#5 0x562ccf5f6599 in _start (/out/package/dlist_mem+0x2599)
Address 0x7fffc424d160 is located in stack of thread T0 at offset 0 in frame
#0 0x562ccf5f607f 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.