diff --git a/problems/0860.柠檬水找零.md b/problems/0860.柠檬水找零.md index faee2e56..1a5634b5 100644 --- a/problems/0860.柠檬水找零.md +++ b/problems/0860.柠檬水找零.md @@ -184,7 +184,41 @@ class Solution: Go: +Javascript: +```Javascript +var lemonadeChange = function(bills) { + let fiveCount = 0 + let tenCount = 0 + let twentyCount = 0 + for(let i = 0; i < bills.length; i++) { + let bill = bills[i] + if(bill === 5) { + fiveCount += 1 + } else if (bill === 10) { + if(fiveCount > 0) { + fiveCount -=1 + tenCount += 1 + } else { + return false + } + } else { + if(tenCount > 0 && fiveCount > 0) { + twentyCount += 1 + tenCount -= 1 + fiveCount -= 1 + } else if(fiveCount >= 3) { + twentyCount += 1 + fiveCount -= 3 + } else { + return false + } + } + } + return true +}; + +``` ----------------------- * 作者微信:[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)