Compilare: main.cpp: In function 'void bfs(int, int)': main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(i = 0; i < edge[x].size(); i++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(i = 0; i < edge[x].size(); i++){ | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:15: warning: unused variable 'j' [-Wunused-variable] 47 | int n, i, j, m, k, u, v; | ^ main.cpp: In function 'void bfs(int, int)': main.cpp:38:16: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 38 | cul[x] = poz; | ~~~~~~~^~~~~