Compilare: main.cpp: In function 'void DFS(int)': main.cpp:58:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(i=0; i<G[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void DFST(int)': main.cpp:69:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(i=0; i<GT[x].size(); i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:81:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(i=0; j<ctc[i].size(); j++) | ~^~~~~~~~~~~~~~ main.cpp:76:12: warning: 'j' may be used uninitialized [-Wmaybe-uninitialized] 76 | int i, j; | ^