2806. 取整购买后的账户余额

取整购买后的账户余额

• 难度: easy
• 原始链接: https://leetcode.cn/problems/account-balance-after-rounded-purchase
• 标签: 四舍五入

解法一: 四舍五入

go

func accountBalanceAfterPurchase(purchaseAmount int) int {
  return 100 - ((purchaseAmount+5)/10)*10
}