朴素游戏的专栏

经典的树形dp: wa了两次 #include #include #include #include #include #include using namespace std; const int MAX=1530; vector bian[MAX]; int dp[MAX][2],visited[MAX];

fen xiang yi椭球

class Solution(object):     def rotate(self, matrix):         """         :type matrix: List[List[int]]         :rtype: void Do not return anything, modify matrix in-place instead.         """        ...