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day33.java
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day33.java
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/*
For this problem, we have types of queries you can perform on a List:
Insert at index :
Insert
x y
Delete the element at index :
Delete
x
Given a list, , of integers, perform queries on the list. Once all queries are completed, print the modified list as a single line of space-separated integers.
Input Format
The first line contains an integer, (the initial number of elements in ).
The second line contains space-separated integers describing .
The third line contains an integer, (the number of queries).
The subsequent lines describe the queries, and each query is described over two lines:
If the first line of a query contains the String Insert, then the second line contains two space separated integers , and the value must be inserted into at index .
If the first line of a query contains the String Delete, then the second line contains index , whose element must be deleted from .
Constraints
Each element in is a 32-bit integer.
Output Format
Print the updated list as a single line of space-separated integers.
Sample Input
5
12 0 1 78 12
2
Insert
5 23
Delete
0
Sample Output
0 1 78 12 23
Solution -
*/
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner sc = new Scanner(System.in);
List<Integer> list = new ArrayList<>();
int n = sc.nextInt();
for (int i = 0; i < n ; i++){
list.add(sc.nextInt());
}
int q = sc.nextInt();
for(int j = 0; j < q; j++){
sc.nextLine();
String comment = sc.nextLine();
int x = sc.nextInt();
if (comment.equals("Insert") ){
list.add(x,sc.nextInt());
}
if (comment.equals("Delete") ){
list.remove(x);
}
}
for(int i : list){
System.out.printf(i + " ");
}
}
}