Compilare: main.cpp: In function 'void DFS(int, int*, std::vector<int>*, std::stack<int>&)': main.cpp:21:23: 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 < adjList[start].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:73:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i=0;i<order.size();i++){ | ~^~~~~~~~~~~~~ main.cpp:76:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int j=0;j<adjList[u].size();j++){ | ~^~~~~~~~~~~~~~~~~~