我的1314
又到了这个时候，又一年正式过去了，是时候写点什么了。 先简述一下我的整个2013吧，从寒假开始，那时回去刚买电脑，稀奇的不得了，于是玩了一个寒假的电脑，带回去的书也有一大半没看，真是 ...
原文：【leetcode】1314. Matrix Block Sum
题目如下： Given am nmatrixmatand an integerK, return a matrixanswerwhere eachanswer i j is the sum of all elementsmat r c fori K lt r lt i K, j K lt c lt j K, and r, c is a valid position in the matrix. E ...
2020-01-12 17:13 0 247 推荐指数：
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