Notes
This function is in beta test. Please help improve it in the issues
here.
================================================================= ==17624==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x7ffd8c8030b0 in thread T0 #0 0x7fb27d26f9c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8) #1 0x562d0db12330 in Dlist<int>::removeFront() (/out/package/dlist_mem+0x19330) #2 0x562d0db12a81 in Dlist<int>::removeAll() (/out/package/dlist_mem+0x19a81) #3 0x562d0db12bff in Dlist<int>::copyAll(Dlist<int> const&) (/out/package/dlist_mem+0x19bff) #4 0x562d0db0efe9 in case4() (/out/package/dlist_mem+0x15fe9) #5 0x562d0db0cdd1 in main (/out/package/dlist_mem+0x13dd1) #6 0x7fb27bafcb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96) #7 0x562d0db0d379 in _start (/out/package/dlist_mem+0x14379) Address 0x7ffd8c8030b0 is located in stack of thread T0 at offset 208 in frame #0 0x562d0db0ee1f in case4() (/out/package/dlist_mem+0x15e1f) 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.