Compilare: main.cpp: In function 'void dfs(int)': main.cpp:16:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for (int i = 0; i < g[nod].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:27: 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 < vect_de_poz[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for (int k = 0; k < vect_de_poz[i + 1].size(); k++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:79:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (int i = 0; i < vect_de_poz[nr_elem].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~