Compilare: user.cpp: In function ‘void compute_D()’: user.cpp:22: warning: array subscript has type ‘char’ user.cpp: In function ‘void Boyer_Moore()’: user.cpp:44: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:49: warning: unused variable ‘f’ user.cpp:50: warning: unused variable ‘g’ user.cpp:51: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result user.cpp:52: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result /tmp/ccyVGoMA.o: In function `main': user.cpp:(.text+0x245): warning: the `gets' function is dangerous and should not be used.