Compilare: main.cpp: In function 'void dfs(int)': main.cpp:54:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int i = 0; i < noduri[index].next.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read_graph()': main.cpp:27:17: warning: 'm' is used uninitialized in this function [-Wuninitialized] 27 | for( i = 0; i < m; i++ ){ | ~~^~~