Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==24673==ERROR: AddressSanitizer: heap-use-after-free on address 0x6030000000a0 at pc 0x55c1ef63308c bp 0x7ffd3e8fb2b0 sp 0x7ffd3e8fb2a0
WRITE of size 8 at 0x6030000000a0 thread T0
#0 0x55c1ef63308b in Dlist<int>::removeBack() (/out/package/dlist_mem+0x608b)
#1 0x55c1ef630fde in case4() (/out/package/dlist_mem+0x3fde)
#2 0x55c1ef62f847 in main (/out/package/dlist_mem+0x2847)
#3 0x7f20a5a15b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x55c1ef6300b9 in _start (/out/package/dlist_mem+0x30b9)
0x6030000000a0 is located 0 bytes inside of 24-byte region [0x6030000000a0,0x6030000000b8)
freed by thread T0 here:
#0 0x7f20a64679c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x55c1ef633523 in Dlist<int>::removeFront() (/out/package/dlist_mem+0x6523)
#2 0xfffa7d1f679 (<unknown module>)
previously allocated by thread T0 here:
#0 0x7f20a6466448 in
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.