From e8f5cedbe8b3e5c2d22e39c0fe97d68391748d84 Mon Sep 17 00:00:00 2001
From: SiyaM108 <deprominent@gmail.com>
Date: Sat, 20 Dec 2025 11:17:45 +0000
Subject: [PATCH 1/3] run npm install mocha

---
 package.json | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 2940292..3c89e1f 100644
--- a/package.json
+++ b/package.json
@@ -12,5 +12,8 @@
     "intro"
   ],
   "author": "supoort@rootlearn.com",
-  "license": "MIT"
+  "license": "MIT",
+  "dependencies": {
+    "mocha": "^11.7.5"
+  }
 }

From d67ae78fa7f66615d43792fed45761bd0cda7025 Mon Sep 17 00:00:00 2001
From: SiyaM108 <deprominent@gmail.com>
Date: Sat, 20 Dec 2025 11:34:45 +0000
Subject: [PATCH 2/3] complete constructor()

---
 index.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 0f4b28b..f7793d7 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,8 @@
 class SortedList {
-  constructor() {}
+  constructor() {
+    this.items = [];
+    this.length = 0;
+  }
 
   add(item) {}
 

From 8b4de7cf83aa9b0050b7402ab4c95bae80876a28 Mon Sep 17 00:00:00 2001
From: SiyaM108 <deprominent@gmail.com>
Date: Sat, 20 Dec 2025 11:36:27 +0000
Subject: [PATCH 3/3] complete index.js

---
 index.js | 38 ++++++++++++++++++++++++++++++++------
 1 file changed, 32 insertions(+), 6 deletions(-)

diff --git a/index.js b/index.js
index f7793d7..e5cf2a1 100644
--- a/index.js
+++ b/index.js
@@ -4,17 +4,43 @@ class SortedList {
     this.length = 0;
   }
 
-  add(item) {}
+  add(item) {
+    this.items.push(item);
+    this.items.sort((a, b) => a - b);
+    this.length = this.items.length;
+  }
 
-  get(pos) {}
+  get(pos) {
+    if (pos < 0 || pos >= this.length) {
+      throw new Error("OutOfBounds");
+    }
+    return this.items[pos];
+  }
 
-  max() {}
+  max() {
+    if (this.length === 0) {
+      throw new Error("EmptyList");
+    }
+    return this.items[this.length - 1];
+  }
 
-  min() {}
+  min() {
+    if (this.length === 0) {
+      throw new Error("EmptyList");
+    }
+    return this.items[0];
+  }
 
-  sum() {}
+  sum() {
+    return this.items.reduce((acc, item) => acc + item, 0);
+  }
 
-  avg() {}
+  avg() {
+    if (this.length === 0) {
+      throw new Error("EmptyList");
+    }
+    return this.sum() / this.length;
+  }
 }
 
 module.exports = SortedList;