Borderou de evaluare (job #649001)

Compilare: main.cpp: In function 'std::string unify(std::string, std::string)': main.cpp:13:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 13 | for(int j=0; j<a.size(); j++) | ~^~~~~~~~~ main.cpp:15:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 15 | for(int j=0; j<b.size(); j++) | ~^~~~~~~~~ main.cpp:34:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 34 | for(int j=0; j<a.size(); j++) | ~^~~~~~~~~ main.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 45 | for(int j=0; j<b.size(); j++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:74:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 74 | for(int j=0; j<s[i].size(); j++) | ~^~~~~~~~~~~~