LC最简单的题目？
public class Solution {
public int climbStairs(int n) {
if(n<=0) return 0;
if(n==1) return 1;
if(n==2) return 2;
int ways = 0, one_step_before =2, two_step_before = 1;
for(int i=3; i<= n; i++) {
ways = one_step_before + two_step_before;
two_step_before = one_step_before;
one_step_before = ways;
}
return ways;
}
}
70. Climbing Stairs Description You are climbing a stair ...
70. Climbing Stairs You are climbing a stair case. It tak...
例1：LeetCode 第 70 题：Climbing Stairs 传送门：英文网址：70. Climbing ...
70. Climbing Stairs : Easy198. House Robber : Easy121. ...
分类：String 时间复杂度: O(n) 70. Climbing Stairs Given an array ...
70. 爬楼梯[https://leetcode-cn.com/problems/climbing-stairs/...
70. 爬楼梯[https://leetcode.cn/problems/climbing-stairs/] 假设...
分类：Backtracking/DP 时间复杂度: O(n*m) 70. Climbing Stairs You ...
题目分析 You are climbing a stair case. It takes n steps to r...
本文标题：70. Climbing Stairs
本文链接：https://www.haomeiwen.com/subject/seuomttx.html
网友评论