Borderou de evaluare (job #804394)

Compilare: main.cpp: In function 'int main()': main.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 22 | for ( i = 0; i < a.size(); i ++ ) | ~~^~~~~~~~~~ main.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 30 | for ( i = 0; i < b.size(); i ++ ) | ~~^~~~~~~~~~ main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 39 | for( i = 1; i < a.size(); i ++ ) | ~~^~~~~~~~~~ main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 40 | for ( j = 1; j < b.size(); j ++ ) | ~~^~~~~~~~~~