Compilare: main.cpp: In function 'void vizitat(std::vector<std::vector<int> >&, std::vector<int>&, int&, int)': main.cpp:13:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for( int i = 0; i < vecini[u].size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for( int i = 1; i < pret_min.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~ main.cpp:51:9: warning: unused variable 'timp' [-Wunused-variable] 51 | int timp = 0; | ^~~~