diff --git "a/programmers/\354\271\264\355\216\230 \355\231\225\354\236\245.js" "b/programmers/\354\271\264\355\216\230 \355\231\225\354\236\245.js"
new file mode 100644
index 0000000..2178502
--- /dev/null
+++ "b/programmers/\354\271\264\355\216\230 \355\231\225\354\236\245.js"	
@@ -0,0 +1,22 @@
+// 카페 확장 : 큐
+function solution(menu, order, k) {
+  var answer = 0;
+  let time = 0;
+  const q = [];
+  let idx = 0;
+
+  for (const o of order) {
+    const makingTime = menu[o];
+    while (time >= q[idx]) {
+      idx++;
+    }
+    if (idx < q.length) {
+      q.push(q[q.length - 1] + makingTime);
+    } else {
+      q.push(time + makingTime);
+    }
+    answer = Math.max(answer, q.length - idx);
+    time += k;
+  }
+  return answer;
+}