From e9c5deb8328a389158e34bdeb482e0f5e6bd95e8 Mon Sep 17 00:00:00 2001
From: Yafiaha <ynadbullah244@gmail.com>
Date: Tue, 22 Oct 2024 20:24:19 +0000
Subject: [PATCH 1/2] Feat : Yafiah Lesson-12 Game Result LeetCode & Implement
 Stack.java

---
 .../codedifferently/lesson12/Lesson12.java    | 20 ++++++++++++++++++-
 .../com/codedifferently/lesson12/Stack.java   | 10 ++++++----
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java
index af7663e90..3cdb5c965 100644
--- a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java
+++ b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java
@@ -7,6 +7,24 @@ public class Lesson12 {
    * https://github.com/yang-su2000/Leetcode-algorithm-practice/tree/master/3062-winner-of-the-linked-list-game
    */
   public String gameResult(ListNode head) {
-    return null;
+    int even = 0;
+    int odd = 0;
+
+    while(head != null && head.next != null){
+      if (head.val > head.next.val) {
+        even++; 
+      } else if(head.val < head.next.val) {
+        odd++;  
+      }
+      head = head.next.next;
+    }
+      
+    if(even > odd){
+       return "Even";
+    }
+    else if(even < odd ){
+       return "Odd";
+    }
+    return "Tie";
   }
 }
diff --git a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java
index 8444fceca..7437cd897 100644
--- a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java
+++ b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java
@@ -9,18 +9,20 @@ public Stack() {
   }
 
   public void push(int value) {
-    // Your code here
+    top = new ListNode(value, top); 
   }
 
   public int pop() {
-    return 0;
+   int value = top.val;
+   top = top.next;
+   return value;
   }
 
   public int peek() {
-    return 0;
+    return top.val;
   }
 
   public boolean isEmpty() {
-    return true;
+    return top == null;
   }
 }

From f9978d89acfb6163320179db9edd2bc6a2ab6512 Mon Sep 17 00:00:00 2001
From: Yafiaha <ynadbullah244@gmail.com>
Date: Tue, 22 Oct 2024 20:28:27 +0000
Subject: [PATCH 2/2] Fix-up

---
 .../codedifferently/lesson12/Lesson12.java    | 19 +++++++++----------
 .../com/codedifferently/lesson12/Stack.java   |  8 ++++----
 2 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java
index 3cdb5c965..144c327f8 100644
--- a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java
+++ b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Lesson12.java
@@ -10,20 +10,19 @@ public String gameResult(ListNode head) {
     int even = 0;
     int odd = 0;
 
-    while(head != null && head.next != null){
+    while (head != null && head.next != null) {
       if (head.val > head.next.val) {
-        even++; 
-      } else if(head.val < head.next.val) {
-        odd++;  
+        even++;
+      } else if (head.val < head.next.val) {
+        odd++;
       }
       head = head.next.next;
     }
-      
-    if(even > odd){
-       return "Even";
-    }
-    else if(even < odd ){
-       return "Odd";
+
+    if (even > odd) {
+      return "Even";
+    } else if (even < odd) {
+      return "Odd";
     }
     return "Tie";
   }
diff --git a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java
index 7437cd897..1e194f566 100644
--- a/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java
+++ b/lesson_12/structs_java/structs_app/src/main/java/com/codedifferently/lesson12/Stack.java
@@ -9,13 +9,13 @@ public Stack() {
   }
 
   public void push(int value) {
-    top = new ListNode(value, top); 
+    top = new ListNode(value, top);
   }
 
   public int pop() {
-   int value = top.val;
-   top = top.next;
-   return value;
+    int value = top.val;
+    top = top.next;
+    return value;
   }
 
   public int peek() {