Compilare: main.cpp: In function 'void DFS1(int)': main.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0; i<mu1[nod].size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int, int)': main.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i=0; i<mu2[nod].size(); i++) | ~^~~~~~~~~~~~~~~~