ans != MAX: ans 即为满足题意的所有染色方案中,花费最小的费用 DP 常见的三种优化方式见LeetCode 583 这题的思路。 本题可以采用滚动数组的方式进行优化,因为每一行的状态依赖上一行的所有状态,所以无法采用其他两种方式进行优化。 使用滚动数组的话,能将空间复杂度从O(m * target * n) 优化为 O(target *...
[LeetCode] Paint House Problem Description: There are a row ofnhouses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certain color is different. You have to paint all the houses such that no two adjacent houses have...
原题链接在这里:https://leetcode.com/problems/paint-house/ 题目: There are a row ofnhouses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certain color is different. You have to paint all the houses such that no ...
There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent fence posts have the same color. 划重点 Return the total number of ways you can paint the fence. [暴力解法]: 时间分析: 空间分析:...
[j] means the min cost of painting houses i to n - 1, if I painted house i with color j// If we successfully fill this dp array, then answer to this problem is min(dp[0][0:k])// Let's fill in the base cases first// For the last house, if we want to paint it with ...
Explanation: Paint house 0 into blue, paint house 1 into green, paint house 2 into blue. Minimum cost: 2 + 5 + 3 = 10. 这道题说有n个房子,每个房子可以用红绿蓝三种颜色刷,每个房子的用每种颜色刷的花费都不同,限制条件是相邻的房子不能用相同的颜色来刷,现在让求刷完所有的房子的最低花费是...
There are a row of n houses, each house can be painted with one of the k colors. The cost of painting each house with a certain color is different. Yo
Or paint house 0 into color 2, paint house 1 into color 0. Minimum cost: 3 + 2 = 5. Follow up: Could you solve it inO(nk) runtime? 这道题是之前那道Paint House的拓展,那道题只让用红绿蓝三种颜色来粉刷房子,而这道题让用k种颜色,这道题不能用之前那题的解法,会 TLE。这题的解法的...
leetcode265- Paint House II- hard There are a row ofnhouses, each house can be painted with one of thekcolors. The cost of painting each house with a certain color is different. You have to paint all the houses such that no two adjacent houses have the same color....
[LeetCode] 256. Paint House There is a row ofnhouses, where each house can be painted one of three colors: red, blue, or green. The cost of painting each house with a certain color is different. You have to paint all the houses such that no two adjacent houses have the same color...