Updated the system design directory

Author: neerazz

Algorithms/design/RangeModuleImpl.java

@@ -1,5 +1,6 @@
 import java.util.ArrayList;
 import java.util.List;
+import java.util.TreeMap;
 
 /**
  * Created on:  Aug 10, 2021
@@ -23,6 +24,45 @@ public static void main(String[] args) {
         System.out.println(obj.queryRange(4, 6));
     }
 
+    static class RangeModule_2 {
+
+        TreeMap<Integer, Integer> map;
+
+        public RangeModule_2() {
+            map = new TreeMap<>();
+        }
+
+        public void addRange(int left, int right) {
+            Integer start = map.floorKey(left);
+            Integer end = map.floorKey(right);
+            if (start != null && map.get(start) >= left) {
+                left = start;
+            }
+            if (end != null && map.get(end) > right) {
+                right = map.get(end);
+            }
+            map.subMap(left, false, right, true).clear();
+            map.put(left, right);
+        }
+
+        public boolean queryRange(int left, int right) {
+            Integer start = map.floorKey(left);
+            return start != null && map.get(start) >= right;
+        }
+
+        public void removeRange(int left, int right) {
+            Integer start = map.floorKey(left);
+            Integer end = map.floorKey(right);
+            if (start != null && map.get(start) > left) {
+                map.put(start, left);
+            }
+            if (end != null && map.get(end) > right) {
+                map.put(right, map.get(end));
+            }
+            map.subMap(left, true, right, false).clear();
+        }
+    }
+
     static class RangeModule {
         List<Interval> ranges;
 

README.md

@@ -63,9 +63,9 @@ not related to hard core competitive coding.
 
 ## [Contests](https://github.com/neerazz/FAANG/tree/master/Algorithms/Neeraj/contest)
 
-> - [Hackerrank](https://github.com/neerazz/CodingContests/tree/main/hackerrank)
 > - [Leetcode](https://github.com/neerazz/CodingContests/tree/main/leetcode)
 >   - `Includes both Biweekly and Weekly contest.`
+> - [Hackerrank](https://github.com/neerazz/CodingContests/tree/main/hackerrank)
 > - [Google Kickstart](https://github.com/neerazz/CodingContests/tree/main/goolgeKickstart)
 >   - [2020](https://github.com/neerazz/CodingContests/tree/main/goolgeKickstart/y2020)
 >   - [2021](https://github.com/neerazz/CodingContests/tree/main/goolgeKickstart/y2021)
@@ -76,8 +76,8 @@ not related to hard core competitive coding.
 > [Tips for System Design](https://github.com/neerazz/faang-system-design/blob/master/Tips_for_system_design.md)
 
 > #### General Design Questions:
->   - [Tiny URL](https://github.com/neerazz/faang-system-design/tree/master/Neeraj/systemsdesign/tiny-url)
->   - [Cab Booking Service](https://github.com/neerazz/faang-system-design/tree/master/Neeraj/systemsdesign/cab-booking-system)
+>   - [Tiny URL](https://github.com/neerazz/faang-system-design/tree/master/systemsdesign/tiny-url)
+>   - [Cab Booking Service](https://github.com/neerazz/faang-system-design/tree/master/systemsdesign/cab-booking-system)
 >   - [Amazon](https://github.com/neerazz/faang-system-design/blob/master/Resources/architecture-diagrams/Amazon%20System%20Design.png)
 >   - [Zoom](https://github.com/neerazz/faang-system-design/blob/master/Resources/architecture-diagrams/Zoom%20System%20Design.png)
 >   - [Google Map](https://github.com/neerazz/faang-system-design/blob/master/Resources/architecture-diagrams/Google%20Maps%20Design.png)
@@ -90,14 +90,14 @@ not related to hard core competitive coding.
 
 ## OOPS Design:
 
-> - [Design Library Management System](https://github.com/neerazz/faang-system-design/tree/master/Neeraj/oops/designs/libraryManagment)
-> - [Design Parking Lot](https://github.com/neerazz/faang-system-design/blob/master/Neeraj/oops/designs/parkinglot)
-> - [Design Call Center](https://github.com/neerazz/faang-system-design/blob/master/Neeraj/oops/designs/callCenter/CallCenter.java)
-> - [Design Hit Counter](https://github.com/neerazz/faang-system-design/blob/master/Neeraj/oops/designs/DesignHitCounter.java)
-> - [Design Linux Find Command](https://github.com/neerazz/faang-system-design/blob/master/Neeraj/oops/designs/LinuxFindFilter.java)
-> - [Design ATM](https://github.com/neerazz/faang-system-design/tree/master/Neeraj/oops/designs/atm)
-> - [Design Movie Ticket System](https://github.com/neerazz/faang-system-design/tree/master/Neeraj/oops/designs/movieTicketSystem)
-> - [Design Pharmacy Shop](https://github.com/neerazz/faang-system-design/tree/master/Neeraj/oops/designs/pharmacyshop)
+> - [Design Library Management System](https://github.com/neerazz/faang-system-design/tree/master/oops/designs/libraryManagment)
+> - [Design Parking Lot](https://github.com/neerazz/faang-system-design/blob/master/oops/designs/parkinglot)
+> - [Design Call Center](https://github.com/neerazz/faang-system-design/blob/master/oops/designs/callCenter/CallCenter.java)
+> - [Design Hit Counter](https://github.com/neerazz/faang-system-design/blob/master/oops/designs/DesignHitCounter.java)
+> - [Design Linux Find Command](https://github.com/neerazz/faang-system-design/blob/master/oops/designs/LinuxFindFilter.java)
+> - [Design ATM](https://github.com/neerazz/faang-system-design/tree/master/oops/designs/atm)
+> - [Design Movie Ticket System](https://github.com/neerazz/faang-system-design/tree/master/oops/designs/movieTicketSystem)
+> - [Design Pharmacy Shop](https://github.com/neerazz/faang-system-design/tree/master/oops/designs/pharmacyshop)
 >
 >> TODO
 >> - [Design Vending Machine](https://leetcode.com/discuss/interview-question/982302/FANNG-question-OOP-please-post-your-solutions-to-this)