Borderou de evaluare (job #812361)

Compilare: main.cpp: In function 'int main()': main.cpp:24:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 24 | for(int i = 0 ; i < num.size() ; i ++ ){ | ~~^~~~~~~~~~~~ main.cpp:25:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 25 | for(int j = i + 1 ; j < num.size() ; j ++ ) | ~~^~~~~~~~~~~~