Create 1441-build-an-array-with-stack-operations.js

Author: everthis

1441-build-an-array-with-stack-operations.js

@@ -0,0 +1,22 @@
+/**
+ * @param {number[]} target
+ * @param {number} n
+ * @return {string[]}
+ */
+ const buildArray = function(target, n) {
+  const res = []
+  let ti = 0, ni = 1, num = 0
+  while(num !== target.length && ni <= n) {
+    if(ni !== target[ti]) {
+      res.push('Push', 'Pop')
+      ni++
+    }else {
+      res.push('Push')
+      ni++
+      num++
+      ti++
+    }
+  }
+
+  return res
+};