Compilare: main.cpp: In function 'int main()': main.cpp:54:29: 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] 54 | for(int i = 0; i<v.size(); i++) | ~^~~~~~~~~ main.cpp:57:41: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 57 | if(lung + v[i].length() > nmax) | ~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:73:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i = 0; i<w.size(); i++) | ~^~~~~~~~~ main.cpp:80:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | if(i == w.size() - 1) | ~~^~~~~~~~~~~~~~~