Compilare: main.cpp: In function 'void dfs(int)': main.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (i = 0; i < comp.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:35:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (i = poz; i < comp.size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp:40:16: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 40 | for (i = poz - 1; i >= 0; i--) { | ~~^~~~~~~~~