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Leetcode 1252. 奇数值单元格的数目
2022-07-17 14:27:00 【我不是萧海哇~~~~】

给你一个 m x n 的矩阵,最开始的时候,每个单元格中的值都是 0。
另有一个二维索引数组 indices,indices[i] = [ri, ci] 指向矩阵中的某个位置,其中 ri 和 ci 分别表示指定的行和列(从 0 开始编号)。
对 indices[i] 所指向的每个位置,应同时执行下述增量操作:
- ri 行上的所有单元格,加 1 。
- ci 列上的所有单元格,加 1 。
给你 m、n 和 indices 。请你在执行完所有 indices 指定的增量操作后,返回矩阵中 奇数值单元格 的数目。
示例 1:

输入:m = 2, n = 3, indices = [边栏推荐
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