Compilare: main.cpp: In function 'void DFS(int)': main.cpp:21:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for (int i = 0; i < v1[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS_TR(int)': main.cpp:35:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (int i = 0; i < v2[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void print()': main.cpp:61:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int j = 0; j < CT[i].size(); j++) | ~~^~~~~~~~~~~~~~