Compilare: user.cpp: In function ‘void preBmBc(char*, int, int*)’: user.cpp:20:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] bmBc[x[i]] = m - i - 1; ^ user.cpp: In function ‘void TUNEDBM(char*, int, char*, int)’: user.cpp:28:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] shift = bmBc[x[m - 1]]; ^ user.cpp:29:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] bmBc[x[m - 1]] = 0; ^ user.cpp:35:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] k = bmBc[y[j + m -1]]; ^ user.cpp:37:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] j += k; k = bmBc[y[j + m -1]]; ^ user.cpp:38:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] j += k; k = bmBc[y[j + m -1]]; ^ user.cpp:39:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] j += k; k = bmBc[y[j + m -1]]; ^ user.cpp: In function ‘int main()’: user.cpp:51:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in", "r", stdin); ^ user.cpp:52:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out", "w", stdout); ^ user.cpp:54:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", pat); ^ user.cpp:55:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", txt); ^