[编程入门]自定义函数之整数处理-题解(C语言代码)

#include<stdio.h>
#include<stdlib.h>
int swap(int* arr);

int main(void)
{
	int arr[10];
	for(int i = 0 ;i<10;i++)
	scanf("%d", &arr[i]);
	swap(arr);
	return 0;
}

int swap(int* arr)
{
	int m = 0;
	int n = 0;
	int temp;
	int max=arr[0];
	int min=arr[0];
	for (int i = 1; i < 10; i++)
	{
		if (min > arr[i])
		{
			min = arr[i];
			m = i;
		}
		if (max < arr[i])
		{
			max = arr[i];
			n = i;
		}		
	}
	temp = arr[0];
	arr[0] = arr[m];
	arr[m] = temp;

	temp = arr[9];
	arr[9] = arr[n];
	arr[n] = temp;

	for (int i = 0; i < 10; i++)
	{
		printf("%d ", arr[i]);
	}
}