Compilare: user.cpp: In function ‘int main()’: user.cpp:22:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (Ap_Linie [x] [culoare] == 0) Ap_Linie [x] [culoare] = y; ^ user.cpp:22:59: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (Ap_Linie [x] [culoare] == 0) Ap_Linie [x] [culoare] = y; ^ user.cpp:23:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (Ap_Coloana [y] [culoare] == 0) Ap_Coloana [y] [culoare] = x; ^ user.cpp:23:63: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (Ap_Coloana [y] [culoare] == 0) Ap_Coloana [y] [culoare] = x; ^ user.cpp:10:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("zaharel.in", "r", stdin); ^ user.cpp:11:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("zaharel.out", "w", stdout); ^ user.cpp:13:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d\n", &n, &m); ^ user.cpp:17:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %c\n", &x, &y, &culoare); ^