Compilare: main.cpp: In function 'void DFS(int)': main.cpp:121:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for (i=0; i<G[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void DFST(int)': main.cpp:132:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | for (i=0; i<GT[x].size(); i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:143:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | for (j=0; j<ctc[i].size(); j++) | ~^~~~~~~~~~~~~~