class Solution { public: /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param number int整型 * @return int整型 */ int jumpFloorII(int number) { // write code here vector<int> dp(number + 1,0); dp[0] = 0; dp[1] = 1; dp[2] = 2; vector<int> presum(number + 1, 0); presum[0] = 0; presum[1] = 1...