Compilare: user.cpp: In function ‘void bfs(int)’: user.cpp:22:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i< v[c[p]].size(); i++ ) ^ user.cpp: In function ‘int main()’: user.cpp:53:19: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%ld",&n); ^ user.cpp:58:26: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%ld",&k[i]); ^ user.cpp:62:30: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%ld %ld",&a,&b); ^ user.cpp:62:30: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘int*’ [-Wformat=] user.cpp:71:27: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=] printf("%ld ",t[i]); ^