Notes
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ASAN:DEADLYSIGNAL
=================================================================
==10212==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x556aecedc23a bp 0x602000000030 sp 0x7ffd07b892b0 T0)
==10212==The signal is caused by a WRITE memory access.
==10212==Hint: address points to the zero page.
#0 0x556aecedc239 in Dlist<int>::removeBack() (/out/package/sam+0x5239)
#1 0x556aeced9f8b in main (/out/package/sam+0x2f8b)
#2 0x7f4cf8975b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x556aecedbad9 in _start (/out/package/sam+0x4ad9)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/sam+0x5239) in Dlist<int>::removeBack()
==10212==ABORTING
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
NOR -7 PUSHI 6 STORE NOOP PUSHI 12 LOAD PUSHI 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5 9 7 4 4 5 8 7 9 2 9 2 6 4 PUSHI 6 -7 6 STORE NOOP PUSHI 12 LOAD PUSHI 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5 9 7 4 4 5 8 7 9 2 9 2 6 4 STORE NOOP PUSHI 12 LOAD PUSHI 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5 9 7 4 -7 5 8 7 9 2 9 2 6 4 NOOP PUSHI 12 LOAD PUSHI 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5 9 7 4 -7 5 8 7 9 2 9 2 6 4 PUSHI 12 12 LOAD PUSHI 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5 9 7 4 -7 5 8 7 9 2 9 2 6 4 LOAD 9 PUSHI 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5 9 7 4 -7 5 8 7 9 2 9 2 6 4 PUSHI 4 9 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5 9 7 4 -7 5 8 7 9 2 9 2 6 4 STORE PUSHI 5 PUSHI 5 STORE PUSHI 15 LOAD PUSHI 0 PUSHI 15 STORE HALT 7 2 5