Insertion Sort

import java.util.*;
class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
int[] arr=new int[n];
for(int i=0;i<n;i++) arr[i]=sc.nextInt();
for(int i=1;i<n;i++){
int key=arr[i];
int j=i-1;
while(j>=0 && arr[j]>key){
arr[j+1]=arr[j];
j--;
}
arr[j+1]=key;
}
for(int num:arr)
System.out.print(num+" ");
}
}