View Code of Problem 49

 import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
          	int n=scan.nextInt();
          	int[] arr=new int[n];
          for(int i=0;i<n;i++){
            	arr[i]=scan.nextInt();
          }
          int min=arr[0];
          int q=0;
          int max=arr[0];
          int w=0;
          	for(int i=1;i<n;i++)
                {
            	if(arr[i]<min)
                	{
            		temp=arr[i];
                          q=i
            		}
            	
            	}
          for(int i=1;i<n;i++)
                {
            	if(arr[i]>max)
                	{
            		temp=arr[i];
                          w=i
            		}
            	
            	}
          
          int temp=a[0];
          a[0]=min;
          a[q]=temp;
          
          temp=a[n];
          a[n]=max;
          a[w]=temp;
          
          
          
          for(int i=0;i<n;i++){
          System.out.print(arr[i]+" ");
          }
          
          	
          		
          
          	
	}
 
}
/*
Main.java:21: error: ';' expected
                          q=i
                             ^
Main.java:30: error: ';' expected
                          w=i
                             ^
2 errors
*/

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