Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==22242==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x7fff2e6827e0 in thread T0
#0 0x7f80e19f29c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x557beb77e837 in Dlist<int>::removeAll() (/out/package/dlist_mem+0x19837)
#2 0x557beb77e9cf in Dlist<int>::copyAll(Dlist<int> const&) (/out/package/dlist_mem+0x199cf)
#3 0x557beb77add9 in case4() (/out/package/dlist_mem+0x15dd9)
#4 0x557beb778bc1 in main (/out/package/dlist_mem+0x13bc1)
#5 0x7f80e027fb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#6 0x557beb779169 in _start (/out/package/dlist_mem+0x14169)
Address 0x7fff2e6827e0 is located in stack of thread T0 at offset 208 in frame
#0 0x557beb77ac0f in case4() (/out/package/dlist_mem+0x15c0f)
This frame has 2 object(s):
[32, 48) 'list1'
[96, 112) 'list2' <== Memory access at offset 208 overflows this varia
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.