Title: 정수 명령 처리 2, Time: 22ms, Memory: 0MB, Status: Passed - Codetree

OstenHun · OstenHun · commit 58313533586f · 2026-03-18T19:47:43.000+09:00
diff --git a/260318/정수 명령 처리 2/process-numeric-commands-2.cpp b/260318/정수 명령 처리 2/process-numeric-commands-2.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include <queue>
+#include <string>
+using namespace std;
+
+int main() {
+    string input;
+    queue<int> My_q;
+    int loop_num;
+    cin >> loop_num;
+
+    for (int i = 0; i < loop_num; i++) {
+        cin >> input;
+
+        if (input == "push") {
+            int num;
+            cin >> num;
+            My_q.push(num);
+        } else if (input == "pop") {
+            if (My_q.empty()) {
+                break;
+            } else {
+                cout << My_q.front() << '\n';
+                My_q.pop();
+            }
+        } else if (input == "size") {
+            cout << My_q.size() << '\n';
+        } else if (input == "empty") {
+            if (My_q.empty()) 
+                cout << 1 << '\n';
+            else
+                cout << 0 << '\n';
+        } else if (input == "front") {
+            cout << My_q.front() << '\n';
+        }
+        
+    }
+    
+    return 0;
+}
