指针变量类型不同,其+,-的意义不同#includevoid main( )int a3=1,3,5;double b3=2.2,4.4,6.6;int *p1=a;double *p2=b;printf(%dn,*p1);p1+;printf(%dn,*p1);p1+;printf(%dn,*p1); printf(%4.2lfn,*p2);p2+;printf(%4.2lfn,*p2);p2+;printf(%4.2lfn,*p2); p1=a;printf(%dn,*(a+2);p2=b;printf(%4.2fn,*(p2+1);