Maximum Points Tourist Can Earn — Python

# Time:  O(k * n^2)
# Space: O(n)

# dp
class Solution(object):
    def maxScore(self, n, k, stayScore, travelScore):
        """
        :type n: int
        :type k: int
        :type stayScore: List[List[int]]
        :type travelScore: List[List[int]]
        :rtype: int
        """
        dp = [0]*n
        for i in xrange(k):
            dp = [max(dp[u]+stayScore[i][u], max(dp[v]+travelScore[v][u] for v in xrange(n))) for u in xrange(n)]
        return max(dp)