Add solution #1716

Author: JoshCrozier

README.md

@@ -254,6 +254,7 @@
 1668|[Maximum Repeating Substring](./1668-maximum-repeating-substring.js)|Easy|
 1669|[Merge In Between Linked Lists](./1669-merge-in-between-linked-lists.js)|Medium|
 1672|[Richest Customer Wealth](./1672-richest-customer-wealth.js)|Easy|
+1716|[Calculate Money in Leetcode Bank](./1716-calculate-money-in-leetcode-bank.js)|Easy|
 1748|[Sum of Unique Elements](./1748-sum-of-unique-elements.js)|Easy|
 1780|[Check if Number is a Sum of Powers of Three](./1780-check-if-number-is-a-sum-of-powers-of-three.js)|Medium|
 1832|[Check if the Sentence Is Pangram](./1832-check-if-the-sentence-is-pangram.js)|Easy|

solutions/1716-calculate-money-in-leetcode-bank.js

@@ -0,0 +1,26 @@
+/**
+ * 1716. Calculate Money in Leetcode Bank
+ * https://leetcode.com/problems/calculate-money-in-leetcode-bank/
+ * Difficulty: Easy
+ *
+ * Hercy wants to save money for his first car. He puts money in the Leetcode bank every day.
+ *
+ * He starts by putting in $1 on Monday, the first day. Every day from Tuesday to Sunday, he will
+ * put in $1 more than the day before. On every subsequent Monday, he will put in $1 more than the
+ * previous Monday. Given n, return the total amount of money he will have in the Leetcode bank at
+ * the end of the nth day.
+ */
+
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var totalMoney = function(n) {
+  let mondayCount = Math.floor(n / 7);
+  let aggregate = (mondayCount ** 2 + 7 * mondayCount) / 2;
+  let result = aggregate * 7;
+  for (let i = 0; i < n - mondayCount * 7; i++) {
+    result += mondayCount + i + 1;
+  }
+  return result;
+};