Compilare: main.cpp: In function 'int dfs(int, int)': main.cpp:25:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for( i = 0; i < node[root].children.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:30:1: warning: no return statement in function returning non-void [-Wreturn-type] 30 | } | ^