Compilare: main.cpp: In function 'void dfs(int)': main.cpp:50:10: warning: unused variable 'h' [-Wunused-variable] 50 | bool h = 1; | ^ main.cpp: In function 'int32_t main()': main.cpp:108:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(i=0;i<g[pereche.first].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:114:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for(i=0;i<g[pereche.second].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~