Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==24678==ERROR: AddressSanitizer: heap-use-after-free on address 0x6030000000a0 at pc 0x5569a058508c bp 0x7ffe4db35b00 sp 0x7ffe4db35af0
WRITE of size 8 at 0x6030000000a0 thread T0
#0 0x5569a058508b in Dlist<int>::removeBack() (/out/package/dlist_mem+0x608b)
#1 0x5569a058293e in case3() (/out/package/dlist_mem+0x393e)
#2 0x5569a0581847 in main (/out/package/dlist_mem+0x2847)
#3 0x7fb8bfb4eb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x5569a05820b9 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 0x7fb8c05a09c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x5569a0585523 in Dlist<int>::removeFront() (/out/package/dlist_mem+0x6523)
#2 0xfffc9b66b83 (<unknown module>)
previously allocated by thread T0 here:
#0 0x7fb8c059f448 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.