Borderou de evaluare (job #642511)

Compilare: main.cpp: In function 'int main()': main.cpp:20:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 20 | for(int i = 0; i < a.size() - 1; i++) | ~~^~~~~~~~~~~~~~ main.cpp:26:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 26 | for(int i = 0; i < a.size() - 1; i++) { | ~~^~~~~~~~~~~~~~ main.cpp:29:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 29 | for(int j = 0; j < b.size(); j++) { | ~~^~~~~~~~~~