题解 | #矩形覆盖#
矩形覆盖
https://www.nowcoder.com/practice/72a5a919508a4251859fb2cfb987a0e6
class Solution {
public:
int rectCover(int number) {
int old=1,last=2,now;
if(number==0) return 0;
if(number==1) return 1;
if(number==2) return 2;
for(int i=3;i<=number;i++){
now=old+last;
old=last;
last=now;
}
return now;
}
};
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