feat: 백준 스택

```
[스택](https://www.acmicpc.net/problem/10828)
```

Author: seunggulee1007

src/main/java/sgyj/backjun/seunggu/Main10828.java

@@ -0,0 +1,41 @@
+package sgyj.backjun.seunggu;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayDeque;
+import java.util.Deque;
+
+public class Main10828 {
+
+    public static void main(String[] args) {
+        try( BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
+            int count = Integer.parseInt(reader.readLine());
+            StringBuilder stringBuilder = new StringBuilder();
+            Deque<String> deque = new ArrayDeque<>();
+            for(int i = 0; i < count; i++) {
+                String line = reader.readLine();
+                if(line.contains(" ")) {
+                    deque.push(line.split(" ")[1]);
+                } else {
+                    switch (line) {
+                        case "top" -> {
+                            if (deque.isEmpty()) stringBuilder.append(-1);
+                            else stringBuilder.append(deque.peek());
+                        }
+                        case "size" -> stringBuilder.append(deque.size());
+                        case "pop" -> {
+                            if (deque.isEmpty()) stringBuilder.append(-1);
+                            else stringBuilder.append(deque.pop());
+                        }
+                        default -> stringBuilder.append(deque.isEmpty() ? 1 : 0);
+                    }
+                    stringBuilder.append("\n");
+                }
+            }
+            System.out.println(stringBuilder);
+        }  catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}