Compilare: user.cpp: In function ‘int main()’: user.cpp:35:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] k = D[x]; ^ user.cpp:36:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] P[i] = Q[x]; ^ user.cpp:37:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( D[y] < k + 1 ){ ^ user.cpp:38:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] D[y] = k + 1; ^ user.cpp:39:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] Q[y] = i; ^ user.cpp:25:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, s, d, k, ma, p; ^ user.cpp:25:18: warning: unused variable ‘s’ [-Wunused-variable] int n, i, j, s, d, k, ma, p; ^ user.cpp:25:21: warning: unused variable ‘d’ [-Wunused-variable] int n, i, j, s, d, k, ma, p; ^ user.cpp:22:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.in","r",stdin); ^ user.cpp:23:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.out","w",stdout); ^ user.cpp:48:12: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] afis(p); ^