Compilare: user.cpp: In function ‘int main()’: user.cpp:61:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] norm[ multimea ] = 'A' + i - 1; ^ user.cpp:62:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] ev[ multimea ] = i; ^ user.cpp:71:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] exp[ i ] = norm[ exp[ i ] ]; ^ user.cpp:85:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] evexp[ j ] = val[ exp[ j ] ]; ^ user.cpp:58:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d\n", &n ); ^ user.cpp:60:77: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%c=%d-%d/%d\n", &multimea, &valori[i], &f[i], &r[i] ); ^ user.cpp:64:29: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets ( exp, CMAX, fin ); ^