Fizz Buzz
Given an integer n, return a string array answer (1-indexed) where:
answer[i] == "FizzBuzz" if i is divisible by 3 and 5.
answer[i] == "Fizz" if i is divisible by 3.
answer[i] == "Buzz" if i is divisible by 5.
answer[i] == i (as a string) if none of the above conditions are true.
Example 1:
Input: n = 3
Output: ["1","2","Fizz"]
Example 2:
Input: n = 5
Output: ["1","2","Fizz","4","Buzz"]
Example 3:
Input: n = 15
Output: ["1","2","Fizz","4","Buzz","Fizz","7","8","Fizz","Buzz","11","Fizz","13","14","FizzBuzz"]
Constraints:
1 <= n <= 104
思路一: 模拟遍历，取余操作
public List<String> fizzBuzz(int n) {
List<String> result = new ArrayList<>();
for (int i = 1; i <= n; i++) {
if (i % 3 == 0) {
if (i % 5 == 0) {
result.add("FizzBuzz");
} else {
result.add("Fizz");
}
} else {
if (i % 5 == 0) {
result.add("Buzz");
} else {
result.add(i + "");
}
}
}
return result;
}