题解 | #矩形覆盖#

public:
    int rectCover(int number) {
        if(number==0){
            return 0;
        }
        else if(number==1){
            return 1;
        }
        else if(number==2){
            return 2;
        }
        else{
            return rectCover(number-1)+rectCover(number-2);
        }

    }
};