题解 | #跳台阶扩展问题#
跳台阶扩展问题
https://www.nowcoder.com/practice/22243d016f6b47f2a6928b4313c85387
class Solution {
public:
int jumpFloorII(int number) {
int res[25] = {0};
res[0] = 1;
res[1] = 1;
for (int i = 2; i <= number; ++i) {
res[i] = 2 * res[i-1];
}
return res[number];
}
};
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