Notes
This function is in beta test. Please help improve it in the issues
here.
=================================================================
==50313==ERROR: AddressSanitizer: heap-use-after-free on address 0x603000000040 at pc 0x562a35b780a9 bp 0x7fff73fcd750 sp 0x7fff73fcd740
READ of size 4 at 0x603000000040 thread T0
#0 0x562a35b780a8 in tree_sum_helper /in/ex6.cpp:82
#1 0x562a35b78108 in tree_sum_helper /in/ex6.cpp:82
#2 0x562a35b78108 in tree_sum_helper /in/ex6.cpp:82
#3 0x562a35b78204 in BinaryTree::sum() const /in/ex6.cpp:87
#4 0x562a35b79d14 in test2() /in/compile/TestFunctions.cpp:101
#5 0x562a35b89ca2 in std::_Function_handler<void (), void (*)()>::_M_invoke(std::_Any_data const&) /usr/include/c++/7/bits/std_function.h:316
#6 0x562a35b8997c in std::function<void ()>::operator()() const /usr/include/c++/7/bits/std_function.h:706
#7 0x562a35b78aa3 in runTests(int) /in/compile/TestFunctions.cpp:19
#8 0x562a35b76f10 in main /in/compile/test.cpp:13
#9 0x7fe49c2cac86 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