题解 | 斐波那契数列
斐波那契数列
https://www.nowcoder.com/practice/c6c7742f5ba7442aada113136ddea0c3
import java.util.*;
public class Solution {
int[] arr = new int[50];
public int Fibonacci(int n) {
if (n == 1 || n == 2) {
return 1;
}
arr[n - 1] = Fibonacci(n - 1);
arr[n - 2] = Fibonacci(n - 2);
return arr[n - 1] + arr[n - 2];
}
}
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