Compilare: main.cpp: In function 'void DFS1(int, int)': main.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int x=0;x<v[nod].size();++x) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void DFS(int, int)': main.cpp:41:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int x=0;x<v[nod].size();++x) | ~^~~~~~~~~~~~~~ main.cpp:50:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int y=0;y<v[fiu].size();++y) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int, int)': main.cpp:66:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int x=0;x<v[nod].size();++x) | ~^~~~~~~~~~~~~~