【leetcode&CN&競賽】1198.Find Smallest Common Element in All Rows
題目如下： 給你一個矩陣 mat，其中每一行的元素都已經按 遞增 順序排好了。請你幫忙找出在所有這些行中 最小的公共元素。 如果矩陣中沒有這樣的公共元素，就請返回 -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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