2)大于20 的时候,就是十位数的量级加上个位数,十位数的量级是:'Twenty', 'Thirty', 'Forty', 'Fifty', 'Sixty', 'Seventy', 'Eighty', 'Ninety';个位数可以重用上面小于20 时候的情况。 举例:12345 按三位分割的话写成:12,345 先处理 345 百位和十位分开处理 3 45 判断45 这个十位数十大于20 还...
Hint: Did you see a pattern in dividing the number into chunk of words? For example, 123 and 123000. Group the number by thousands (3 digits). You can write a helper function that takes a number less than 1000 and convert just that chunk to words. There are many edge cases. What a...
LeetCode 273. Integer to English Words 此题是一个数字字符转化类问题。没有什么复杂的技巧,只要想清楚2个转化的规律: 1,此题给出的非负数字上限是2^31-1,大约是十亿的数量级(2^10 = 1024, (2^10)^3 ~1billion)。而我们已知每1000进位方式有三种后缀,thousand, million和billion,这就可以看作三重循环...
网址:https://leetcode.com/ 这是我今晚在上面写的一道题。(其实还写了一道50.pow(x,n),求次方的,不过代码太难看了,为了提高运行效率也参考了别人的做法,是在位运算的基础上用了分治策略) 下面这道题目是273.Integer to English Words,先PIA一下这道题的题干 题干.png 这道题目要求我们输入一个int然后...
Integer to English Words [LeetCode] https://leetcode.com/problems/integer-to-english-words/ Total Accepted: 3589 Total Submissions: 24432 Difficulty: Medium Question Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 -...
我们从右到左遍历,是在倒着完善结果 解法一 空格的处理,在每个单词前加空格,最后返回结果的时候调用trim函数去掉头尾的空格。 倒着遍历的处理,利用insert函数,每次在0的位置插入单词。 下边的代码供参考,每个人的代码写出来应该都不同。 publicStringnumberToWords(intnum){if(num==0){return"Zero";}//个位和十...
Integer to English Words 题目: 思路: 细节很多,思维要严密。 解: Word Break II 题目: 思路: 回溯法,超时了。 解:(超时的回溯...
273. Integer to English WordsConvert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1.For example,123 -> "One Hundred Twenty Three" 12345 -> "Twelve Thousand Three Hundred Forty Five" 1234567 -> "One Million Two Hundred Thirty ...
Can you solve this real interview question? Integer to English Words - Convert a non-negative integer num to its English words representation. Example 1: Input: num = 123 Output: "One Hundred Twenty Three" Example 2: Input: num = 12345 Output:
Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. For example, 123->"One Hundred Twenty Three"12345->"Twelve Thousand Three Hundred Forty Five"1234567->"One Million Two Hundred Thirty Four Thousand Five Hundred Sixty Seven"...