Leetcode 73矩阵置零 遍历模拟题目
本文共 269 字，大约阅读时间需要 1 分钟。
最直接做法：拷贝一份数组，使用O(M*N)的辅助空间
记录下要置零的行和列，使用O(M+N)的辅助空间。
原地做法：用两个变量记录第一行和第一列的情况，用第一行和第一列来充当记录角色
class Solution {public: void setZeroes(vector >& matrix) { int n = matrix.size(), m = matrix[0].size(); int row0 = 0, col0 = 0; for(int i=0;i
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