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lc412.java
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package code;
import java.util.ArrayList;
import java.util.List;
/*
* 412. Fizz Buzz
* 题意:遇到3就Fizz,5就Buzz,既能被3又能被5就FizzBuzz
* 难度:Easy
* 分类:
* 思路:避免来回除,自下向上
* Tips:
*/
public class lc412 {
public List<String> fizzBuzz(int n) {
List<String> ret = new ArrayList<String>(n);
for(int i=1,fizz=0,buzz=0;i<=n ;i++){
fizz++;
buzz++;
if(fizz==3 && buzz==5){
ret.add("FizzBuzz");
fizz=0;
buzz=0;
}else if(fizz==3){
ret.add("Fizz");
fizz=0;
}else if(buzz==5){
ret.add("Buzz");
buzz=0;
}else{
ret.add(String.valueOf(i));
}
}
return ret;
}
}