单选题有以下程序: #include voidfun(int*s,intn1,intn2) {  inti,j,t;  i=n1;  j=n2;  while(i  {   t=s[i];   s[i]=s[j];   s[j]=t;   i++;   j--;  } } main() {  inta[10]={1,2,3,4,5,6,7,8,9,0},k;  fun(a,0,3);  fun(a,4,9);  fun(a,0,9);  for(k=0;k   printf("%d",a[k]);  printf(""); } 程序运行的结果是(  )。A0987654321B4321098765C5678901234D0987651234

单选题
有以下程序: #include  void fun(int *s,int n1,int n2) {  int i,j,t;  i=n1;  j=n2;  while(i  {   t=s[i];   s[i]=s[j];   s[j]=t;   i++;   j--;  } } main() {  int a[10]={1,2,3,4,5,6,7,8,9,0},k;  fun(a,0,3);  fun(a,4,9);  fun(a,0,9);  for(k=0;k   printf("%d",a[k]);  printf(""); } 程序运行的结果是(  )。
A

0987654321

B

4321098765

C

5678901234

D

0987651234


参考解析

解析:
函数fun的功能是:将数组s中从n1至n2的元素首尾互换,主函数中,依次对数组a的0~3、4~9、0~9位进行了三次调换,第一次调用后得到数组a为:{4,3,2,1,5,6,7,8,9,0},第二次调用后得到数组a为:{4,3,2,1,0,9,8,7,6,5},第三次调用后得到数组a为:{5,6,7,8,9,0,1,2,3,4}。答案选择C选项。

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