题解 | #跳台阶#
跳台阶
https://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4
class Solution {
public:
int jumpFloor(int number) {
int a=0,b=1,c=2;
for(int i=0;i<number;i++){
a=b;
b=c;
c=a+b;
}
return a;
}
};
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