题目:http://www.nowcoder.com/practice/72a5a919508a4251859fb2cfb987a0e6
C++
1 class Solution {
2 public:
3 int rectCover(
int n) {
4 if (n ==
1 || n ==
2)
return n;
5 int a =
1, b =
1;
6 while (n-- >=
2) {
7 a = a +
b;
8 b = a -
b;
9 }
10 return a;
11 }
12 };
转载于:https://www.cnblogs.com/CheeseZH/p/5112946.html