Compilare: main.cpp: In function 'int main()': main.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i=0; i<localitati.size(); i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:44:26: warning: 'varf_min' may be used uninitialized [-Wmaybe-uninitialized] 44 | selectat[varf_min] = 1; | ^ main.cpp:38:13: note: 'varf_min' was declared here 38 | int varf_min; | ^~~~~~~~