1 #include <stdio.h>
2 #define ARR_SIZE 10
3 void MaxMinExchang(int *a, int n);//加了函数声明
4 int main() {
5 int a[ARR_SIZE], i, n;
6 printf("Input n(n<=10):\n");
7 scanf("%d", &n);
8 printf("Input %d Numbers:\n", n);
9 for (i=0; i<n; i++) {
10 scanf("%d", &a[i]);
11 }
12 MaxMinExchang(a, n);
13 printf("After MaxMinExchange:\n");
14 for (i=0; i<n; i++) {
15 printf("%d ", a[i]);
16 }
17 printf("\n");
18 return 0;
19 }
20 void MaxMinExchang(int *a, int n) {
21 int maxValue = a[0], minValue = a[0], maxPos=0, minPos=0;//给了初值
22 int i, temp;
23 for (i=0; i<n; i++) {
24 if (a[i] > maxValue) {
25 maxValue = a[i];
26 maxPos = i;
27 }
28 if (a[i] < minValue) {
29 minValue = a[i];
30 minPos = i;
31 }
32 }
33 temp = a[maxPos];
34 a[maxPos] = a[minPos];
35 a[minPos] = temp;
36 }
