import java.util.*;


public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
     *
     *
     * @param cost int整型一维数组
     * @return int整型
     */
      public int minCostClimbingStairs (int[] cost) {
        int [] dp = new int [cost.length+1];
        for (int i = 2; i <= cost.length; i++) {
            dp[i] = Math.min(dp[i-1]+cost[i-1],+dp[i-2]+cost[i-2]);
        }
        return dp[cost.length];
    }
}