[LeetCode] 70. Climbing Stairs
70. Climbing Stairs Hardness: \(\color{green}\textsf{Easy}\) Ralated Topics: Math、Dynamic Programming、Memoization 一、題目 You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Example 1: Input: n = 2 Output: 2 Explanation: There are two ways to climb to the top. 1 step + 1 step 2 steps Example 2: ...