From d07b6b512939b120d202097b617d9c828c821d52 Mon Sep 17 00:00:00 2001
From: Yeonri <lsy1307@inha.edu>
Date: Fri, 9 Jan 2026 20:06:41 +0900
Subject: [PATCH] =?UTF-8?q?[Week01]=20BOJ=2010828:=20=EC=8A=A4=ED=83=9D?=
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---
 .../lsy1307.cpp"                              | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 "weekly/week01/BOJ_10828_\354\212\244\355\203\235/lsy1307.cpp"

diff --git "a/weekly/week01/BOJ_10828_\354\212\244\355\203\235/lsy1307.cpp" "b/weekly/week01/BOJ_10828_\354\212\244\355\203\235/lsy1307.cpp"
new file mode 100644
index 0000000..cb1e09e
--- /dev/null
+++ "b/weekly/week01/BOJ_10828_\354\212\244\355\203\235/lsy1307.cpp"
@@ -0,0 +1,58 @@
+#include <iostream>
+#include <vector>
+#include <string>
+using namespace std;
+
+class Stack {
+public:
+    void push(int X) {
+        stack.push_back(X);
+    }
+    void pop() {
+        if (stack.empty()) cout << -1 << "\n";
+        else {
+            cout << stack[stack.size() - 1] << "\n";
+            stack.erase(stack.end() - 1);
+        }
+    }
+    void size() {
+        cout << stack.size() << "\n";
+    }
+    void empty() {
+        cout << stack.empty() << "\n";
+    }
+    void top() {
+        if (stack.empty()) cout << -1 << "\n";
+        else {
+            cout << stack[stack.size() - 1] << "\n";
+        }
+    }
+private:
+      vector<int> stack;
+};
+
+int main() {
+    int N, X;
+    string s;
+    cin >> N;
+    Stack stack;
+    while (N--) {
+        cin >> s;
+        if (s == "push") {
+            cin >> X;
+            stack.push(X);
+        }
+        else if (s == "pop") {
+            stack.pop();
+        }
+        else if (s == "size") {
+            stack.size();
+        }
+        else if (s == "empty") {
+            stack.empty();
+        }
+        else if (s == "top") {
+            stack.top();
+        }
+    }
+}
\ No newline at end of file