Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==31773==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x7ffe9d43c6d0 in thread T0
#0 0x7ff9bbdb79c8 in operator delete(void*, unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe19c8)
#1 0x5567b0f483ce in Dlist<int>::removeFront() (/out/package/dlist_mem+0x193ce)
#2 0x5567b0f45098 in case4() (/out/package/dlist_mem+0x16098)
#3 0x5567b0f43061 in main (/out/package/dlist_mem+0x14061)
#4 0x7ff9ba644b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#5 0x5567b0f43609 in _start (/out/package/dlist_mem+0x14609)
Address 0x7ffe9d43c6d0 is located in stack of thread T0 at offset 208 in frame
#0 0x5567b0f44ebf in case4() (/out/package/dlist_mem+0x15ebf)
This frame has 2 object(s):
[32, 48) 'list1'
[96, 112) 'list2' <== Memory access at offset 208 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism
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.