Compilare: main.cpp: In function 'void dfs(int)': main.cpp:10:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<graf[nod].size(); j++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<b.size(); i++) ~^~~~~~~~~ main.cpp:35:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<f.size(); i++) ~^~~~~~~~~ main.cpp:14:9: warning: unused variable 'i' [-Wunused-variable] int i, m, n, p, k, x, y,j; ^ main.cpp:14:21: warning: variable 'k' set but not used [-Wunused-but-set-variable] int i, m, n, p, k, x, y,j; ^ main.cpp:14:29: warning: unused variable 'j' [-Wunused-variable] int i, m, n, p, k, x, y,j; ^