View Code of Problem 49

#include<stdio.h>
#define N 7
int main(){
	int n;
	int a[N];
	//printf("请输入一个数组长度:"); 
	scanf("%d",&n);
	int i;
	for(i=0;i<n;i++){
		scanf("%d",&a[i]);
	}
	i=0;
	int min=a[0];
	int max=a[0];
	int temp1=0;
	int temp2=0;
	int j,k,q;
	for(i=0;i<n;i++){
		if(min>a[i]){
			min=a[i];
			k=i;
			//printf("%d",k);
		}
	}
    temp1=a[0];
	a[0]=min;
	a[k]=temp1;
	for(j=0;j<n;j++){
		if(max<a[j]){
			max=a[j];
			q=j;
		}
	}
	temp2=a[n-1];
	a[n-1]=max;
	a[q]=temp2;
	for(i=0;i<n;i++){
	printf("%d ",a[i]);
}}

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