[LeetCode] Largest Plus Sign 最大的加型符號
is the largest axis-aligned plus sign of 1s contained in the gri ...
原文：Leetcode 764. Largest Plus Sign
思路：動態規划。對於第i行第j列的元素grid i j 表示的是這個元素的plus sign的等級，初始化不在mines中的元素對應的grid值為較大值 只要大於N 即可 ，在mines中的元素對應的grid值為 。不在mines中的元素，其grid i j 左右上下四個方向最少的連續 的個數 不包括自己 。以由左至右為例，假設當前的grid i j 已經最優，那么如果 i,j 左側沒有grid ...
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