程序代码：

#include<stdio.h>
void main()
{
    void inv(int x[],int n);
    int i,a[10]{3,7,9,11,0,6,7,5,4,2};                                                                 
    printf("The ariginal arra:\n");
    for(i=0;i<10;i++)
        printf("%d\n"a[i]);
        inv(a,10);
        printf("The array has been inverted :\n");
        for(i=0;i<10;i++)
            printf("%d\n",a[i]);
}
void inv(int x[],int n)
{int temp,i,j,m=(n-1)/2;
for(i=0,i<=m,i++)
{j=n-1-i;
temp=x[i];x[i]=x[j];x[j]=temp;
}
return;                                                                                                    
}