Compilare: user.cpp: In function ‘void lee(int (*)[100], int, int, elem)’: user.cpp:35:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(l[v.lin][v.col]==0)if(v.lin!=pb.lin||v.col!=pb.col){l[v.lin][v.col]=l[p.lin][p.col]+1; ^ user.cpp: In function ‘int main()’: user.cpp:72:13: warning: ‘q2’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<q1<<' '<<q2<<' '<<min-1; ^ user.cpp:72:4: warning: ‘q1’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<q1<<' '<<q2<<' '<<min-1; ^