记录一下

class Solution {
  public:
    int Fibonacci(int n) {
        int* dp = new int[n];
        for (int i = 0; i < n; i++) {
            if (i == 0 || i == 1) {
                dp[i] = 1;
            } else {
                dp[i] = dp[i - 2] + dp[i - 1];
            }
        }
        return dp[n - 1];
    }
};