3286、[中等] 穿越网格图的安全路径
1、题目描述
给你一个 m x n 的二进制矩形 grid 和一个整数 health 表示你的健康值。你开始于矩形的左上角 (0, 0) ,你的目标是矩形的右下角 (m - 1, n - 1) 。你可以在矩形中往上下左右相邻格子移动,但前提是你的健…
1.crc循环验证
2.紧扣的星星
3. Before Breakfast
"Wheres Papa going with that ax?" said Fern to her mother as they were setting the table for breakfast.
"Out to the hog house," replied Mrs. Arable. "Some pigs were born last nigh…