Compilare: main.cpp: In function 'std::pair<int, int> parse(const string&)': main.cpp:24:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | while (ind < s.size() && s[ind] != ',') | ~~~~^~~~~~~~~~ main.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | while (ind < s.size() && s[ind] != '(') | ~~~~^~~~~~~~~~ main.cpp:30:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | while (ind < s.size() && s[ind] != ')') | ~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:99:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for (j = 0; j < coduri[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~