From a3328f0d7fe7832bcb8057e189f26099297d8564 Mon Sep 17 00:00:00 2001
From: tphyhFighting <2363176358@qq.com>
Date: Fri, 17 Dec 2021 10:45:20 +0800
Subject: [PATCH] add: leetcode 1518 solution

---
 leetcode/1518.Water-Bottles/1518.Water Bottles.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 leetcode/1518.Water-Bottles/1518.Water Bottles.go

diff --git a/leetcode/1518.Water-Bottles/1518.Water Bottles.go b/leetcode/1518.Water-Bottles/1518.Water Bottles.go
new file mode 100644
index 00000000..987c6b86
--- /dev/null
+++ b/leetcode/1518.Water-Bottles/1518.Water Bottles.go	
@@ -0,0 +1,15 @@
+package leetcode
+
+func numWaterBottles(numBottles int, numExchange int) int {
+	if numBottles < numExchange {
+		return numBottles
+	}
+	quotient := numBottles / numExchange
+	reminder := numBottles % numExchange
+	ans := numBottles + quotient
+	for quotient+reminder >= numExchange {
+		quotient, reminder = (quotient+reminder)/numExchange, (quotient+reminder)%numExchange
+		ans += quotient
+	}
+	return ans
+}