Compilare: user.cpp: In function ‘int main()’: user.cpp:19:29: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[41]’ [-Wformat=] fscanf(fin, "%s", &s); ^ user.cpp:17:28: 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:19:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &s); ^