public:
int jumpFloor(int number) {
vector<int> res(number,0);
res[0] = 1;
res[1] = 2;
for(int i = 2; i < number; i++){
res[i] = res[i-1] + res[i-2];
}
return res[number-1];
}
public:
int jumpFloor(int number) {
vector<int> res(number,0);
res[0] = 1;
res[1] = 2;
for(int i = 2; i < number; i++){
res[i] = res[i-1] + res[i-2];
}
return res[number-1];
}