Compilare: main.cpp: In function 'void DFS(int)': main.cpp:52:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(i=0;i<G[x].size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void DFST(int)': main.cpp:59:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(i=0;i<GT[x].size();i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(j=0;j<ctc[i].size();j++) | ~^~~~~~~~~~~~~~