Create 1599-maximum-profit-of-operating-a-centennial-wheel.js

Author: everthis

1599-maximum-profit-of-operating-a-centennial-wheel.js

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+/**
+ * @param {number[]} customers
+ * @param {number} boardingCost
+ * @param {number} runningCost
+ * @return {number}
+ */
+const minOperationsMaxProfit = function(customers, boardingCost, runningCost) {
+  let remain = 0
+  let profit = 0
+  let cost = 0
+  let max = -Infinity
+  let maxNum = 0
+  for(let i = 0, len = customers.length; i < len; i++) {
+    const e = customers[i]
+    remain += e
+    const cur = (remain >= 4 ? 4 : remain)
+    remain -= cur
+    profit += cur * boardingCost - runningCost
+    if(profit > max) maxNum++
+    max = Math.max(max, profit)
+  }
+  if(remain) {
+    const r = Math.floor(remain / 4)
+    const single = 4 * boardingCost - runningCost
+    remain = remain % 4
+    // profit += (single * r + (remain > 0 ? (remain * boardingCost - runningCost) : 0))
+    profit += single * r
+    if(single > 0) maxNum += r
+    max = Math.max(max, profit)
+    if (remain < 4) {
+      const tmp = remain * boardingCost - runningCost
+      profit += tmp
+      remain = 0
+      if(profit > max) maxNum++
+      max = Math.max(max, profit)
+    }
+  }
+  if (max <=0 )return -1
+  return maxNum
+};