private final String[] HUNDRED = {"", "", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety"}; public String numberToWords(int num) { if(num == 0) return "Zero"; StringBuilder sb = new StringBuilder(); int index = 0; while(num > 0) { if(num...
主函数中调用四次这个帮助函数,然后中间要插入 "Thousand", "Million", "Billion" 到对应的位置,最后 check 一下末尾是否有空格,把空格都删掉,返回的时候检查下输入是否为0,是的话要返回 'Zero',参见代码如下: classSolution {public:stringnumberToWords(intnum) {stringres = convertHundred(num %1000); vecto...
999>0->result=hundred_to_word(999%1000=999/后三位传去函数)+result->num=999//1000=0(刮掉后三位)-> 0=0->‘’.join(result) 刮了3次,加后缀两次hundred_to_words+Thousands[2]+hundreds_to_words+Thousands[1]+hundred_to_words,i+=2 四、总结 从上可看出整个过程:1、只要num大于零就把后三...
题目链接:https://leetcode.cn/problems/minimum-number-of-operations-to-move-all-balls-to-each-box/题目描述:有 n 个盒子。给你一个长度为 n 的二进制字符串 boxes ,其中 boxes[i] 的值为 '0' 表示第 i 个盒子是空的,而 boxes[i] 的值为 '1' 表示盒子里有一个小球。 在一步操作中,你可以将...
1classSolution {2public:3stringnumberToWords(intnum) {4vector<string> bigs = {"","Thousand","Million","Billion"};5inti =0;6stringans;7while(num) {8if(num %1000) ans = numberWords(num %1000) + bigs[i] +ans;9i++, num /=1000;10}11returnans.length() ? ans.substr(1) :"Zero...
Did you see a pattern in dividing the number into chunk of words? For example, 123 and 123000. 提示2 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. 提示3 There are many edge cases...
public String numberToWords(int num) { if(num<0) return ""; if(num==0) return "Zero"; String[] units = {""," Thousand"," Million"," Billion"}; String res=""; int i=0; while(num>0) { int one=num%1000; if(one>0) ...
public String numberToWords(int num) { if (num < 0) { return ""; } //数字为0直接返回 if (num == 0) { return "Zero"; } //左起段落 int segment1 = num / 1000000000; //段落1:十亿位-千亿位 int segment2 = num % 1000000000 / 1000000; //段落2:百万位-亿位 ...
pack as many words as you can in each line. Pad extra spaces ' ' when necessary so that each line has exactly maxWidth characters. Extra spaces between words should be distributed as evenly as possible. If the number of spaces on a line do not divide evenly between words, the empty slo...
Return the maximum number of words that appear in a single sentence. Example 1: Input: sentences = ["alice and bob love leetcode", "i think so too", "this is great thanks very much"]Output: 6Explanation: - The first sentence, "alice and bob love leetcode", has 5 words in total....