Borderou de evaluare (job #643145)

Compilare: main.cpp: In function 'int main()': main.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 23 | for(int i=1; i<a.size(); i++) | ~^~~~~~~~~ main.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 33 | for(int i=1; i<a.size(); i++) | ~^~~~~~~~~ main.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 36 | for(int j=0; j<b.size(); j++) | ~^~~~~~~~~ main.cpp:57:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 57 | for(int i=0; i<a.size()-1; i++) | ~^~~~~~~~~~~