Record Case Detail

This function is in beta test. Please help improve it in the issues here.

/in/exam3_matrix.cpp:50:40: runtime error: load of null pointer of type 'int'
ASAN:DEADLYSIGNAL
=================================================================
==31561==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x563ef96458a5 bp 0x7ffc3c73b720 sp 0x7ffc3c73b460 T0)
==31561==The signal is caused by a READ memory access.
==31561==Hint: address points to the zero page.
    #0 0x563ef96458a4 in intMatrix::saveTo(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) (/out/package/ex3+0x168a4)
    #1 0x563ef9640f02 in main (/out/package/ex3+0x11f02)
    #2 0x7fae13521b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x563ef963d259 in _start (/out/package/ex3+0xe259)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/ex3+0x168a4) in intMatrix::saveTo(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)
==31561==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.

Testing saveTo 3: 3 pts
Filename: output.txtMatrix Information:
rows: 1
cols: 1

Testing saveTo 3: 3 pts
Filename: output.txtMatrix Information:
rows: 1
cols: 1
In your output.txt
1

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JOJ Answer