Compilare: main.cpp: In function 'void Read()': main.cpp:23:13: warning: unused variable 'ct' [-Wunused-variable] int i,j,ct=0; ^~ main.cpp: In function 'void lee()': main.cpp:118:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(ok(inew,jnew)) ^ main.cpp:134:20: warning: 'distMin' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<distMin<<" "<<ctdistMin<<'\n'; ^~~