SHL off campus coding question

Off Campus Coding Question on Arrays

Question: You are given a list of integers of size N. Write an algorithm to sort the first K elements (from list[0] to list[k-1] of the list in ascending order and the remaining (list[k] to list[k-1]) elements in decending order.

Input:

The first line of the input consists of an integer – inputlist_size, representing the number of elements in the list (N). The next line consists of N space separated integers representing the elements of the list. The last line consists of an integer num, representing the number of elements to be sorted in ascending order (K).

Output:

Print N space-separated integers representing the sorted list.

Constraints:

num<=inputlist_size

Examples:

Input:

8

11,7,5,10,46,23,16,8

3

Output:

5,7,11,46,23,16,10,8

Algorithm to Solve

  • Take the input from user like number of array Elements, array elements and K value (upto which we want in ascending order).
  • Later use two for loops for iterating through elements of array.
  • inside second for loop use two condidtions
    1. If the outer loop value is <= K , then write logic to sort in ascending order
    2. If outer loop value is >k, then write logic to sort in decending order.
  • Later return the sorted array

JAVA Code

package arrayPrograms;

public class vrashi {

	public static void main(String[] args) {
		
		// coded by VRASHIKESH PATIL 
		
		
		int N=8;
		int[] array1= {11,7,5,10,46,23,16,8};
		
		int num=3;
		
		for(int i=0;i<array1.length;i++) {
			
			if(i<num) {
				for(int j=i+1;j<num;j++) {
					
					if(array1[i]>array1[j]) {
						int temp=array1[j];
						array1[j]=array1[i];
						array1[i]=temp;
					}
				}
			}
			else if(i>num){
				for(int j=num;j<array1.length;j++) {
					if(array1[i]>array1[j]) {
						int temp=array1[j];
						array1[j]=array1[i];
						array1[i]=temp;
						
					}
				}
				
			}
		}
		for(int i:array1) {
			System.out.print(i+" ");
		}
		

	}

}

Watch Complete Explanation for Above Code

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