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单选题
有以下程序:#include void fun(int a,int b){ int t; t=a; a=b; b=t;}main(){ int c[10]={1,2,3,4,5,6,7,8,9,0},i; for(i=0;i<10;i+=2)fun(c[i],c[i+1]); for(i=0;i<10;i++)printf(%d,,c[i]); printf();}程序运行的结果是(  )。
A

1,2,3,4,5,6,7,8,9,0,

B

2,1,4,3,6,5,8,7,0,9,

C

0,9,8,7,6,5,4,3,2,1,

D

0,1,2,3,4,5,6,7,8,9,


参考答案

参考解析
解析:
在C语言中,函数参数传递的作用是“传值”,形参和实参是两个没有关系的变量。函数fun交换了参数值,但只是交换了形参的值,结果并不会传递给实参。所以数组c没有发生变化,原顺序输出。答案选择A选项。
更多 “单选题有以下程序:#include void fun(int a,int b){ int t; t=a; a=b; b=t;}main(){ int c[10]={1,2,3,4,5,6,7,8,9,0},i; for(i=0;i10;i+=2)fun(c[i],c[i+1]); for(i=0;i10;i++)printf(%d,,c[i]); printf();}程序运行的结果是(  )。A 1,2,3,4,5,6,7,8,9,0,B 2,1,4,3,6,5,8,7,0,9,C 0,9,8,7,6,5,4,3,2,1,D 0,1,2,3,4,5,6,7,8,9,” 相关考题
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