Borderou de evaluare (job #833065)

Compilare: main.cpp: In function 'int main()': main.cpp:14:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | while ( i < a.size () && j < b.size () ) { | ~~^~~~~~~~~~~ main.cpp:14:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | while ( i < a.size () && j < b.size () ) { | ~~^~~~~~~~~~~ main.cpp:20:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | while ( i < a.size () ) | ~~^~~~~~~~~~~ main.cpp:22:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | while ( j < b.size () ) | ~~^~~~~~~~~~~