Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==24668==ERROR: AddressSanitizer: heap-use-after-free on address 0x6030000000a0 at pc 0x55d0f4a5b08c bp 0x7ffcbd326ec0 sp 0x7ffcbd326eb0
WRITE of size 8 at 0x6030000000a0 thread T0
#0 0x55d0f4a5b08b in Dlist<int>::removeBack() (/out/package/dlist_mem+0x608b)
#1 0x55d0f4a58fde in case4() (/out/package/dlist_mem+0x3fde)
#2 0x55d0f4a57847 in main (/out/package/dlist_mem+0x2847)
#3 0x7f3cd4d7db96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4 0x55d0f4a580b9 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 0x7f3cd57cf9c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x55d0f4a5b523 in Dlist<int>::removeFront() (/out/package/dlist_mem+0x6523)
#2 0xfff97a64dfb (<unknown module>)
previously allocated by thread T0 here:
#0 0x7f3cd57ce448 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.