class Solution {
public int translateNum(int num) {
String s = String.valueOf(num);
int a = 1, b = 1;
for(int i = 2; i <= s.length(); i++) {
// sunstring(a,b)-> [i-2,1)
String tmp = s.substring(i - 2, i);
int c = tmp.compareTo("10") >= 0 && tmp.compareTo("25") <= 0 ? a + b : a;
b = a;
a = c;
}
return a;
}
}
参考：
https://leetcode-cn.com/problems/ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof/solution/mian-shi-ti-46-ba-shu-zi-fan-yi-cheng-zi-fu-chua-6/https://blog.algomooc.com/046.html#%E4%B8%80%E3%80%81%E9%A2%98%E7%9B%AE%E6%8F%8F%E8%BF%B0https://leetcode-cn.com/problems/ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof/solution/ba-shu-zi-fan-yi-cheng-zi-fu-chuan-by-leetcode-sol/java的substring(a,b)的区别：https://blog.csdn.net/qq_38039015/article/details/82222063
