题解 | #斐波那契数列#
斐波那契数列
http://www.nowcoder.com/practice/c6c7742f5ba7442aada113136ddea0c3
class Solution {
public:
int Fibonacci(int n) {
int fib[40] = {0}; //创建并初始化数组,每个元素为0; fib[1]=1; //设置第二个元素为1(斐波那契数列一般需要初始化前两个元素0,1); for(int i=2; i<40; ++i) //创建斐波那契数组0,1,1,2,3,5,... { fib[i] = fib[i-2] + fib[i-1]; } return fib[n]; //由下标n返回对应数组元素; }
};