9. Fizz Buzz 问题

时间:2023-03-09 00:54:31
9. Fizz Buzz 问题

Description

Given number n. Print number from 1 to n. But:

  • when number is divided by 3, print "fizz".
  • when number is divided by 5, print "buzz".
  • when number is divided by both 3 and 5, print "fizz buzz".

Example

If n = 15, you should return:

[
"1", "2", "fizz",
"4", "buzz", "fizz",
"7", "8", "fizz",
"buzz", "11", "fizz",
"13", "14", "fizz buzz"
]

Challenge

Can you do it with only one if statement?

public class Solution {
/**
* @param n: An integer
* @return: A list of strings.
*/
public List<String> fizzBuzz(int n) {
// write your code here
List<String> res = new ArrayList<>(); for(int i=1;i<n+1;i++){
if(i % 15 == 0){
res.add("fizz buzz"); }else if( i % 3 ==0){
res.add("fizz"); }else if( i % 5 == 0){
res.add("buzz"); }else{
res.add(i + "");
}
}
return res;
}
}
描述
给你一个整数n. 从 1 到 n 按照下面的规则打印每个数: 如果这个数被3整除,打印fizz.
如果这个数被5整除,打印buzz.
如果这个数能同时被3和5整除,打印fizz buzz.
您在真实的面试中是否遇到过这个题?
样例
比如 n = 15, 返回一个字符串数组: [
"1", "2", "fizz",
"4", "buzz", "fizz",
"7", "8", "fizz",
"buzz", "11", "fizz",
"13", "14", "fizz buzz"
]