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单选题
有以下函数:#include void exch(int t[]){ t[0] = t[5];}main(){ int x[10] = {1,2,3,4,5,6,7,8,9,10},i=0; while(i <= 4) {  exch(&x[i]);  i++; } for(i = 0;i < 5;i++)printf(%d,x[i]);}程序运行后的输出结果是(  )。
A

2 4 6 8 10

B

1 3 5 7 9

C

1 2 3 4 5

D

6 7 8 9 10


参考答案

参考解析
解析:
函数exch的作用就是把数组某个元素的值变为这个元素位置加5后对应的元素值,所以执行完之后输出数组x的前五个元素的值,其实就是数组x的后五个元素的值,答案选择D选项。
更多 “单选题有以下函数:#include void exch(int t[]){ t[0] = t[5];}main(){ int x[10] = {1,2,3,4,5,6,7,8,9,10},i=0; while(i = 4) {  exch(x[i]);  i++; } for(i = 0;i 5;i++)printf(%d,x[i]);}程序运行后的输出结果是(  )。A 2 4 6 8 10B 1 3 5 7 9C 1 2 3 4 5D 6 7 8 9 10” 相关考题
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