直接搜索,可以ac,后续再探索时间复杂度更小的方案 class Solution: def Find(self , target: int, array: List[List[int]]) -> bool: # write code here m, n = len(array), len(array[0]) # 计算数组行数和列数 for i in range(m): for j in range(n): if array[i][j] == target: return True return False