Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==829==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7ffe5e75acb0 at pc 0x55d8ac673777 bp 0x7ffe5e75ab50 sp 0x7ffe5e75ab40
READ of size 8 at 0x7ffe5e75acb0 thread T0
#0 0x55d8ac673776 in Dlist<int>::removeAll() [clone .isra.12] (/out/package/dlist_mem+0x2776)
#1 0x55d8ac67681e in Dlist<int>::Dlist(Dlist<int> const&) (/out/package/dlist_mem+0x581e)
#2 0x55d8ac674592 in case3() (/out/package/dlist_mem+0x3592)
#3 0x55d8ac673197 in main (/out/package/dlist_mem+0x2197)
#4 0x7fc1c4eaab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#5 0x55d8ac673599 in _start (/out/package/dlist_mem+0x2599)
Address 0x7ffe5e75acb0 is located in stack of thread T0 at offset 0 in frame
#0 0x55d8ac67307f 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.