Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==830==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7ffe11c88200 at pc 0x5621b9730777 bp 0x7ffe11c880a0 sp 0x7ffe11c88090
READ of size 8 at 0x7ffe11c88200 thread T0
#0 0x5621b9730776 in Dlist<int>::removeAll() [clone .isra.12] (/out/package/dlist_mem+0x2776)
#1 0x5621b973381e in Dlist<int>::Dlist(Dlist<int> const&) (/out/package/dlist_mem+0x581e)
#2 0x5621b9731c32 in case4() (/out/package/dlist_mem+0x3c32)
#3 0x5621b9730197 in main (/out/package/dlist_mem+0x2197)
#4 0x7ff9d2ba2b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#5 0x5621b9730599 in _start (/out/package/dlist_mem+0x2599)
Address 0x7ffe11c88200 is located in stack of thread T0 at offset 0 in frame
#0 0x5621b973007f 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.