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Author: jainx24

Arrays/dynamicArray.java

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+// https://www.hackerrank.com/challenges/dynamic-array/problem
+
+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) {
+        
+        Scanner scan = new Scanner(System.in);
+        int n,q,lastAns=0,i,j,w,temp,size;
+        
+        n = scan.nextInt();
+        q = scan.nextInt();
+        ArrayList<ArrayList<Integer>> al = new ArrayList<ArrayList<Integer>>();
+        
+        for(i=0;i<n;i++)
+            al.add(new ArrayList<Integer>());
+          
+        for(w=0;w<q;w++)
+        {
+            int v,x,y;
+            v = scan.nextInt();
+            x = scan.nextInt();
+            y = scan.nextInt();
+            
+            if(v==1)
+            {
+                temp = (x^lastAns)%n;
+                al.get(temp).add(y);
+            }
+            
+            else
+            {
+                temp = (x^lastAns)%n;
+                size = al.get(temp).size();
+                lastAns = al.get(temp).get(y%size);
+                System.out.println(lastAns);
+            }
+            
+        }
+        
+    }
+}