题解 | #矩形覆盖#

class Solution {
public:
    int rectCover(int number) {
        if(number==0) return 0;
        int i=1, j=0, temp=0;
        while(--number)
        {
            temp = j;
            j = i;
            i += temp;
        }
        return i+j;
    }
};