请问C语言中 scanf ("%d%d",&a,&b); %E8%BF%99%E5%8F%A5%E8%AF%9D%E4%B8%AD%E6%95%B4%E4%BD%93%E6%83%B3%E8%A1%A8%E8%BE%BE%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E5%91%A2