[数组] 反转数组

#include <stdio.h>

void reverseNum(int a[], int iLen)
{
    int N = iLen;
    for (int i = 0; i < N/2; i++)
    {
        int temp = a[i];
        a[i] = a[N-1-i];
        a[N-1-i] = temp;
    }
}

int main()
{
    int a[] = {1,2,3,4,5};
    int iLen = sizeof(a) / sizeof(int);
    reverseNum(a, iLen);

    for (int i = 0; i < iLen; i++)
    {
        printf("%d ", a[i]);
    }
    printf("\n");

    getchar();getchar();
    return 0;
}