Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==26174==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x7ffe2bdd4850 in thread T0
#0 0x7fd7fad1d9c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x55c2b6664830 in Dlist<int>::removeFront() (/out/package/dlist_mem+0x19830)
#2 0x55c2b6664f81 in Dlist<int>::removeAll() (/out/package/dlist_mem+0x19f81)
#3 0x55c2b66650ff in Dlist<int>::copyAll(Dlist<int> const&) (/out/package/dlist_mem+0x1a0ff)
#4 0x55c2b66613a9 in case4() (/out/package/dlist_mem+0x163a9)
#5 0x55c2b665f191 in main (/out/package/dlist_mem+0x14191)
#6 0x7fd7f95aab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#7 0x55c2b665f739 in _start (/out/package/dlist_mem+0x14739)
Address 0x7ffe2bdd4850 is located in stack of thread T0 at offset 208 in frame
#0 0x55c2b66611df in case4() (/out/package/dlist_mem+0x161df)
This frame has 2 object(s):
[32, 48
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.