Compilare: main.cpp: In function 'int solve(const std::vector<std::__cxx11::basic_string<char> >&)': main.cpp:64:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int j = 0;j < tmp.size();++j) | ~~^~~~~~~~~~~~ main.cpp:74:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int j = 0;j < tmp.size();++j) | ~~^~~~~~~~~~~~