햄버거만들기(중급)

Author: unn04012

unn04012/queue/hambuger.js

@@ -0,0 +1,20 @@
+function solution(ingredients) {
+  let answer = 0;
+  const queue = [];
+
+  for (const ingredient of ingredients) {
+    queue.push(ingredient);
+    if (queue.length >= 4) {
+      const hamburger = queue.slice(-4).join('');
+
+      if (hamburger === '1231') {
+        answer++;
+        for (let i = 0; i < 4; i++) queue.pop();
+      }
+    }
+  }
+
+  return answer;
+}
+
+console.log(solution([2, 1, 1, 2, 3, 1, 2, 3, 1]));