Compilare: main.cpp: In function 'void DFS(int)': main.cpp:35:19: 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<tree[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:117:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 117 | for(int j=0; j<nivel[i].size(); j++) | ~^~~~~~~~~~~~~~~~ main.cpp:127:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for(int k=0; k<tree[nod].size(); k++) | ~^~~~~~~~~~~~~~~~~