Record Case Detail

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ASAN:DEADLYSIGNAL
=================================================================
==24715==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x55eb0067123a bp 0x602000011d10 sp 0x7fffa376ebb0 T0)
==24715==The signal is caused by a WRITE memory access.
==24715==Hint: address points to the zero page.
    #0 0x55eb00671239 in Dlist<int>::removeBack() (/out/package/sam_mem+0x5239)
    #1 0x55eb0066f9b5 in main (/out/package/sam_mem+0x39b5)
    #2 0x7efd69bf2b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x55eb00670ad9 in _start (/out/package/sam_mem+0x4ad9)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/sam_mem+0x5239) in Dlist<int>::removeBack()
==24715==ABORTING

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.

1034064101 
2124251114 1949185014 226939944 -2038429690 1949185014 535418087 1613910359 -1872717183 535418087 -1872717183 535418087 1613910359 535418087 215091055 1613910359 66771457

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