- 创建一个数组,init函数初始化0,print函数打印数组,reverse函数完成逆置。
#include <stdio.h>
void Init(int arr[],int sz)
{
int i = 0;
for(i = 0; i < sz; i++)
{
arr[i] = i;
}
}
void Print(int arr[],int sz)
{
int i = 0;
for(i = 0; i < sz; i++)
{
printf("%d ",arr[i]);
}
printf("\n");
}
void Reverse(int arr[],int sz)
{
int left = 0;
int right = sz - 1;
while(left < right)
{
char tmp = arr[left];
arr[left] = arr[right];
arr[right] = tmp;
left++;
right--;
}
}
int main()
{
int arr[10] = {1};
int sz = sizeof(arr)/sizeof(arr[0]);
Init(arr,sz);
Print(arr,sz);
Reverse(arr,sz);
Print(arr,sz);
return 0;
}
- 交换两个数组的内容
int main()
{
int arr1[] = {1,3,5,7,9};
int arr2[] = {2,4,6,8,0};
int tmp = 0;
int i = 0;
int sz = sizeof(arr1)/sizeof(arr1[0]);
for(i = 0; i < sz; i++)
{
tmp = arr1[i];
arr1[i] = arr2[i];
arr2[i] = tmp;
}
Print(arr1,sz);
Print(arr2,sz);
}