# # 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 n int整型 the n # @return int整型 # class Solution: def Nqueen(self, n: int) -> int: # write code here m = 2 * n - 1 col = [0] * n ans = [] on_path, diag1, diag2 = [False] * n, [False] * m, [False] * m ...