Notes
This function is in beta test. Please help improve it in the issues
here.
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==50664==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000040 at pc 0x557c80084f7b bp 0x7ffdec3f34b0 sp 0x7ffdec3f34a0
READ of size 4 at 0x603000000040 thread T0
#0 0x557c80084f7a in tree_sum_helper /in/ex6.cpp:87
#1 0x557c80084fda in tree_sum_helper /in/ex6.cpp:87
#2 0x557c80084fda in tree_sum_helper /in/ex6.cpp:87
#3 0x557c800850d6 in BinaryTree::sum() const /in/ex6.cpp:92
#4 0x557c80086be6 in test2() /in/compile/TestFunctions.cpp:101
#5 0x557c80096b74 in std::_Function_handler<void (), void (*)()>::_M_invoke(std::_Any_data const&) /usr/include/c++/7/bits/std_function.h:316
#6 0x557c8009684e in std::function<void ()>::operator()() const /usr/include/c++/7/bits/std_function.h:706
#7 0x557c80085975 in runTests(int) /in/compile/TestFunctions.cpp:19
#8 0x557c80083e20 in main /in/compile/test.cpp:13
#9 0x7ff426aa5c86 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