Compilare: user.cpp: In function ‘int main()’: user.cpp:39:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[501]’ [-Wformat=] fscanf (fin, "%s", &s); ^ user.cpp:37:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &t); ^ user.cpp:39:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%s", &s); ^