05-《高级语言程序设计(C)》选择结构 - 图文

选择结构程序设计复习

?执行下列程序段后，x,y,z的值是( )Bint x = 10, y = 20, z = 30;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 = 10, z = 10 D．编译时报告错误

Copyright ?2000-2011 王灿辉.All Rights Reserved.

选择结构程序设计复习

?执行下列程序段后，x,y,z的值是( )Aint x = 10, y = 20, z = 30;

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

Copyright ?2000-2011 王灿辉.All Rights Reserved.