LeetCode笔记:378. Kth Smallest Element in a Sorted Matrix
问题:Givenanxnmatrixwhereeachoftherowsandcolumnsaresortedinascendingorder,findthekthsmallestelementinthematrix.Notethatitisthekthsmallestelementinthesortedorder,notthekthdistinctelement.Example:image.pn