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单选题
有以下程序:#include void fun(int a[],int n){ int i,j=0,k=n/2,b[10]; for(i=n/2-1;i>=0;i--) {  b[i]=a[j];  b[k]=a[j+1];  j+=2;  k++; } for(i=0;i  a[i]=b[i];}main(){ int c[]={10,9,8,7,6,5,4,3,2,1},i; fun(c,10); for(i=0;i  printf("%d,",c[i]); printf("");}程序的运行结果是(  )。
A

2,4,6,8,10,9,7,5,3,1,

B

10,8,6,4,2,1,3,5,7,9,

C

1,2,3,4,5,6,7,8,9,10,

D

1,3,5,7,9,10,8,6,4,2,


参考答案

参考解析
解析:
程序的执行过程为:调用函数fun,将数组c地址与n数值传入函数,此函数实现,将数组偶数位置元素从中间向前依次放入数组前半段,数组奇数位置元素从中间向后依次放入数组后半段,调用结果为c[10]={2,4,6,8,10,9,7,5,3,1},之后依次输出。答案选择A选项。
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