Compilare: main.cpp: In function 'void DFS(int)': main.cpp:38:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int i=0; i<tree[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int j=0; j<tree[v[i].nod].size(); j++) | ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:85:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for(int i=0; i<tree[v[poz].nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~