Borderou de evaluare (job #789066)

Compilare: main.cpp: In function 'std::string calc(std::string, std::string)': main.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'const unsigned int' [-Wsign-compare] 11 | for(int i=0;i<min(a.size(),b.size());i++) | ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 22 | while(i<a.size()) | ~^~~~~~~~~ main.cpp:30:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 30 | while(j<b.size()) | ~^~~~~~~~~