Compilare: main.cpp: In function 'int main()': main.cpp:14:31: warning: variable 'x0' set but not used [-Wunused-but-set-variable] int n, i, st, dr, mij, r, x0, x1, x2, x3, x4, y; ^~ main.cpp:14:35: warning: variable 'x1' set but not used [-Wunused-but-set-variable] int n, i, st, dr, mij, r, x0, x1, x2, x3, x4, y; ^~ main.cpp:14:39: warning: variable 'x2' set but not used [-Wunused-but-set-variable] int n, i, st, dr, mij, r, x0, x1, x2, x3, x4, y; ^~ main.cpp:14:43: warning: variable 'x3' set but not used [-Wunused-but-set-variable] int n, i, st, dr, mij, r, x0, x1, x2, x3, x4, y; ^~ main.cpp:14:47: warning: variable 'x4' set but not used [-Wunused-but-set-variable] int n, i, st, dr, mij, r, x0, x1, x2, x3, x4, y; ^~ main.cpp:14:51: warning: variable 'y' set but not used [-Wunused-but-set-variable] int n, i, st, dr, mij, r, x0, x1, x2, x3, x4, y; ^