Compilare: main.cpp: In function 'void dfs(int)': main.cpp:39:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (i=0; i<G[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfst(int)': main.cpp:49:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for (i=0; i<GT[x].size(); i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:71:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for (j=0; j<CTC[i].size(); j++) | ~^~~~~~~~~~~~~~