0_0_38249493_29116.cpp: In function 'int main()':
0_0_38249493_29116.cpp:30:28: error: cannot pass objects of non-trivially-copyable type 'std::string {aka class std::basic_string<char>}' through '...'
printf("%d + %d = ", a, b);
^
0_0_38249493_29116.cpp:30:28: error: cannot pass objects of non-trivially-copyable type 'std::string {aka class std::basic_string<char>}' through '...'
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