From 32ec0b5452dd065e9c0afb8a1c6af488808275a7 Mon Sep 17 00:00:00 2001
From: chayan das <110921638+Chayandas07@users.noreply.github.com>
Date: Sat, 8 Feb 2025 14:07:19 +0530
Subject: [PATCH] Create 2349. Design a Number Container System

---
 2349. Design a Number Container System | 32 ++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 2349. Design a Number Container System

diff --git a/2349. Design a Number Container System b/2349. Design a Number Container System
new file mode 100644
index 0000000..0b2dc2f
--- /dev/null
+++ b/2349. Design a Number Container System	
@@ -0,0 +1,32 @@
+class NumberContainers {
+public:
+    NumberContainers() {
+        
+    }
+        map<int,set<int>>mp;
+        map<int,int>id;
+         void change(int index, int number) {
+            if(!id.count(index))
+                id[index]=number,
+                mp[id[index]].insert(index);
+
+            else
+                mp[id[index]].erase(index),
+                id[index]=number,
+                mp[id[index]].insert(index); 
+        }
+        
+         int find(int number) {
+            if(!mp[number].size())
+                return -1;
+            
+            return *mp[number].begin();
+        }
+};
+
+/**
+ * Your NumberContainers object will be instantiated and called as such:
+ * NumberContainers* obj = new NumberContainers();
+ * obj->change(index,number);
+ * int param_2 = obj->find(number);
+ */