Compilare: main.cpp: In function 'void dfs(int)': main.cpp:52:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (int i=0; i<g[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfsgt(int)': main.cpp:65:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for (int i=0; i<gt[x].size(); i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:79:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (int j=0;j<ctc[i].size();j++) | ~^~~~~~~~~~~~~~