Compilare: main.cpp: In function 'int main()': main.cpp:19:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int j = 0; j < sub.size(); j++){ | ~~^~~~~~~~~~~~ main.cpp:30:30: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 30 | if(arr[i].size() > maxim){ | ~~~~~~~~~~~~~~^~~~~~~ main.cpp:34:35: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 34 | else if(arr[i].size() == maxim){ | ~~~~~~~~~~~~~~^~~~~~~~ main.cpp:46:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int i = 0; i < arr.size(); i++){ | ~~^~~~~~~~~~~~ main.cpp:48:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int j = i + 1; j < arr.size(); j++){ | ~~^~~~~~~~~~~~ main.cpp:59:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | if(c == arr[j].size()){ | ~~^~~~~~~~~~~~~~~~ main.cpp:70:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(int i = 0; i < arr.size(); i++){ | ~~^~~~~~~~~~~~