Record Case Detail

Notes

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

Stderr

=================================================================
==50016==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000040 at pc 0x55e4dab160a9 bp 0x7ffcffe37510 sp 0x7ffcffe37500
READ of size 4 at 0x603000000040 thread T0
    #0 0x55e4dab160a8 in tree_sum_helper /in/ex6.cpp:82
    #1 0x55e4dab16108 in tree_sum_helper /in/ex6.cpp:82
    #2 0x55e4dab16108 in tree_sum_helper /in/ex6.cpp:82
    #3 0x55e4dab16204 in BinaryTree::sum() const /in/ex6.cpp:87
    #4 0x55e4dab17d14 in test2() /in/compile/TestFunctions.cpp:101
    #5 0x55e4dab27ca2 in std::_Function_handler<void (), void (*)()>::_M_invoke(std::_Any_data const&) /usr/include/c++/7/bits/std_function.h:316
    #6 0x55e4dab2797c in std::function<void ()>::operator()() const /usr/include/c++/7/bits/std_function.h:706
    #7 0x55e4dab16aa3 in runTests(int) /in/compile/TestFunctions.cpp:19
    #8 0x55e4dab14f10 in main /in/compile/test.cpp:13
    #9 0x7f85d37dbc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #10 0x5

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 2: The sum of the tree is 70