【leetcode&CN&竞赛】1198.Find Smallest Common Element in All Rows
题目如下： 给你一个矩阵 mat，其中每一行的元素都已经按 递增 顺序排好了。请你帮忙找出在所有这些行中 最小的公共元素。 如果矩阵中没有这样的公共元素，就请返回 -1。 示例： ...
原文：[LeetCode] 1198. Find Smallest Common Element in All Rows
Given anm x nmatrixmatwhere every row is sorted instrictlyincreasingorder, returnthesmallest common elementin all rows. If there is no common element, return . Example : Example : Constraints: m mat.l ...
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