Compilare: user.cpp: In function ‘int main()’: user.cpp:15:9: warning: unused variable ‘val’ [-Wunused-variable] int val, n, l, st, dr, i, maxi=-300000, x, k, semn, ib; ^ user.cpp:15:14: warning: unused variable ‘n’ [-Wunused-variable] int val, n, l, st, dr, i, maxi=-300000, x, k, semn, ib; ^ user.cpp:15:17: warning: unused variable ‘l’ [-Wunused-variable] int val, n, l, st, dr, i, maxi=-300000, x, k, semn, ib; ^ user.cpp:15:51: warning: unused variable ‘semn’ [-Wunused-variable] int val, n, l, st, dr, i, maxi=-300000, x, k, semn, ib; ^ user.cpp:53:12: warning: ‘ib’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<ib-k+1<<" "<<ib<<" "<<maxi; ^