Compilare: main.cpp: In function 'void dfs(int)': main.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i=0; i < v[nr].size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'bool cmp(muchie, muchie)': main.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type] 37 | } | ^