Compilare: user.cpp: In function ‘int main()’: user.cpp:25:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in,"%d",&t); ^ user.cpp:31:58: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in,"%d%d%d%d%d%d%d",&x,&y,&z,&a,&b,&c,&n); ^