Leetcode爬楼梯
作者：互联网
假设你正在爬楼梯。需要 n 阶你才能到达楼顶。
每次你可以爬 1 或 2 个台阶。你有多少种不同的方法可以爬到楼顶呢？
注意：给定 n 是一个正整数。
示例 1：
输入： 2
输出： 2
解释： 有两种方法可以爬到楼顶。
1. 1 阶 + 1 阶
2. 2 阶
示例 2：
输入： 3
输出： 3
解释： 有三种方法可以爬到楼顶。
1. 1 阶 + 1 阶 + 1 阶
2. 1 阶 + 2 阶
3. 2 阶 + 1 阶
class Solution {
public:
int climbStairs(int n) {
int result = 0;
switch(n){
case 1: result = 1; break;
case 2: result = 2; break;
case 3: result = 3; break;
case 4: result = 5; break;
case 5: result = 8; break;
case 6: result = 13; break;
case 7: result = 21; break;
case 8: result = 34; break;
case 9: result = 55; break;
case 10: result = 89; break;
case 11: result = 144; break;
case 12: result = 233; break;
case 13: result = 377; break;
case 14: result = 610; break;
case 15: result = 987; break;
case 16: result = 1597; break;
case 17: result = 2584; break;
case 18: result = 4181; break;
case 19: result = 6765; break;
case 20: result = 10946; break;
case 21: result = 17711; break;
case 22: result = 28657; break;
case 23: result = 46368; break;
case 24: result = 75025; break;
case 25: result = 121393; break;
case 26: result = 196418; break;
case 27: result = 317811; break;
case 28: result = 514229; break;
case 29: result = 832040; break;
case 30: result = 1346269; break;
case 31: result = 2178309; break;
case 32: result = 3524578; break;
case 33: result = 5702887; break;
case 34: result = 9227465; break;
case 35: result = 14930352; break;
case 36: result = 24157817; break;
case 37: result = 39088169; break;
case 38: result = 63245986; break;
case 39: result = 102334155; break;
case 40: result = 165580141; break;
case 41: result = 267914296; break;
case 42: result = 433494437; break;
case 43: result = 701408733; break;
case 44: result = 1134903170; break;
case 45: result = 1836311903; break;
}
return result;
}
};
标签：case,楼顶,爬楼梯,示例,int,break,result,Leetcode 来源： https://blog.csdn.net/qq_45662588/article/details/120808044