Can you solve this real interview question? Find the Kth Smallest Sum of a Matrix With Sorted Rows - You are given an m x n matrix mat that has its rows sorted in non-decreasing order and an integer k. You are allowed to choose exactly one element from
https://leetcode-cn.com/problems/find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows/ 给你一个 m * n 的矩阵 mat,以及一个整数 k ,矩阵中的每一行都以非递减的顺序排列。 你可以从每一行中选出 1 个元素形成一个数组。返回所有可能数组中的第 k 个 最小 数组和。 示例1: 输入:mat = [[...
Extended problem of[LeetCode 373] Find K Pairs with Smallest Sums. Divide and conquer, then merge results by using the same approach in LeetCode 373. classSolution {publicintkthSmallest(int[][] mat,intk) {int[] topK = compute(mat, k, 0, mat.length - 1);returntopK[k - 1]; }priv...
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class Solution { public: vector<vector<int> > combinationSum3(int k, int n) { vector<vector<int> > res; vector<int> out; combinationSum3DFS(k, n, 1, out, res); return res; } void combinationSum3DFS(int k, int n, int level, vector<int> &out, vector<vector<int> > &res) ...
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