Compilare: main.cpp: In function 'void bf_dist(int)': main.cpp:20:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (i = 0; i < l[vf].size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:31:12: warning: unused variable 'j' [-Wunused-variable] 31 | {int m, i, j, z, t, nr = 0; | ^