Cloud Studio代码运行 classSolution(object):defclimbStairs(self,n,memo={}):""":type n:int:rtype:int"""ifninmemo:returnmemo[n]ifn==1:return1ifn==2:return2ans=self.climbStairs(n-1)+self.climbStairs(n-2)memo[n]=ansreturnans 虽然这里省略了重复计算, 但是重复查询次数依然很多, 那么让我们...
LeetCode-Climbing Stairs 斐波那契数列; 1classSolution {2public:3intclimbStairs(intn) {4//Start typing your C/C++ solution below5//DO NOT write int main() function6if(n <=0) {7return0;8}9vector<int> fb(n +1,1);10fb[2] =2;11for(inti =3; i <= n; ++i) {12fb[i] = fb...
You are climbing a stair case. It takesnsteps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Note: Givennwill be a positive integer. classSolution(object):defclimbStairs(self, n):""":type n: int :rtype: ...
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