LeetCode Climbing Stairs 70
2016-04-11 23:05
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70. Climbing Stairs
My SubmissionsQuestion
Editorial Solution
Total Accepted: 103589 Total
Submissions: 283139 Difficulty: Easy
You are climbing a stair case. It takes n steps 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?
最简单的DP
public class Solution {
public int climbStairs(int n) {
int[] dp = new int[n+1];
dp[0] = 1;
dp[1] = 1;
for(int i = 2; i <= n; i++){
dp[i] = dp[i - 1] + dp[i - 2];
}
return dp
;
}
}
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