题解 | #跳台阶#
跳台阶
https://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4
#include <locale>
class Solution {
public:
int jumpFloor(int number) {
if(number==1) return 1;
if(number==2)return 2;
int a=1;
int b=2;
int temp=0;
for(size_t i=3;i<=number;++i){
temp=(a+b)%1000000007;
a = b;
b = temp;
}
return temp;
}
};
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