Compilare: main.cpp: In function 'void reverseDFS(int)': main.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for(int j=0; j<g[i].size(); j++){ | ~^~~~~~~~~~~~ main.cpp: In function 'void vanillaDFS(int, int)': main.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int j=0; j<gt[i].size(); j++){ | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int j=0; j<comp[i].size(); j++){ | ~^~~~~~~~~~~~~~~ main.cpp:60:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int j=0; j<g[i].size(); j++){ | ~^~~~~~~~~~~~