已知int x=10,y=20,z=30;执行以下语句后x、y、z的值是()if (x>y)z=x;x=y;y=z;
A. x=10,y=20,z=30
B. x=20,y=30,z=30
C. x=20,y=30,z=10
D. x=20,y=30,z=20
若运行以下程序时输入:1605<回车>,则程序的运行结果是( )。#includeintmain(){intt,h,m;scanf(“%d”,&t);h=(t/100)%12;printf(“%d:”,h);m=t%100;if(m<10)printf(“0”);printf(“%d”,m);if(t<1200||t==2400)printf(“AM”);elseprintf(“PM”);return0;}