Compilare: user.cpp: In function ‘bool transf(short int, short int, short int)’: user.cpp:31:16: warning: variable ‘r’ set but not used [-Wunused-but-set-variable] short int i, r ; ^ user.cpp: In function ‘int main()’: user.cpp:81:77: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%hd%hd%hd%hd%hd%hd%hd%hd", &p, &n, &m, &t, &l, &c, &k, &s ) ; ^ user.cpp:83:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%hd%hd", &a, &b ) ; ^ user.cpp:88:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%hd", &nr ) ; ^