【使用最小花费爬楼梯(746-java)】

使用最小花费爬楼梯(746-java)

public class LC143_746_minCostClimbingStairs {
    //动态规划
    public static int minCostClimbingStairs(int[] cost) {
        int[] dp = new int[cost.length];
        dp[0] = cost[0];
        dp[1] = cost[1];
        for (int i = 2; i < dp.length; i++) {
            dp[i] = Math.min(dp[i - 1], dp[i - 2]) + cost[i];
        }
        return Math.min(dp[cost.length - 1], dp[cost.length - 2]);
    }

    public static void main(String[] args) {
        System.out.println(minCostClimbingStairs(new int[]{1, 100, 1, 1, 1, 100, 1, 1, 100, 1}));
    }

}