# 46.把数字翻译成字符串

给定一个数字，我们按照如下规则把它翻译为字符串：0 翻译成 “a” ，1 翻译成 “b”，……，11 翻译成 “l”，……，25 翻译成 “z”。一个数字可能有多个翻译。请编程实现一个函数，用来计算一个数字有多少种不同的翻译方法。

示例 1:

输入: 12258

输出: 5

解释: 12258有5种不同的翻译，分别是"bccfi", "bwfi", "bczi", "mcfi"和"mzi"  

提示：

0 <= num < 231

来源：力扣（LeetCode）

链接：<https://leetcode-cn.com/problems/ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof>

著作权归领扣网络所有。商业转载请联系官方授权，非商业转载请注明出处。


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