Compilare: main.cpp: In function 'void afisare()': main.cpp:32:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(int j=0;j<ctc[i].size();j++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:41:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(i=0;i<G[x].size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfst(int)': main.cpp:51:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(i=0;i<GT[x].size();i++) | ~^~~~~~~~~~~~~