Compilare: main.cpp: In function 'int main()': main.cpp:39:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 39 | while (sol.size() < lmax) { | ~~~~~~~~~~~^~~~~~ main.cpp:39:25: warning: 'lmax' may be used uninitialized [-Wmaybe-uninitialized] 39 | while (sol.size() < lmax) { | ^~~~ main.cpp:9:12: note: 'lmax' was declared here 9 | int n, lmax; | ^~~~