Package g0301_0400.s0373_find_k_pairs_with_smallest_sums

Class Solution

java.lang.Object

g0301_0400.s0373_find_k_pairs_with_smallest_sums.Solution

public class Solution
extends Object

373 - Find K Pairs with Smallest Sums.<p>Medium</p> <p>You are given two integer arrays <code>nums1</code> and <code>nums2</code> sorted in <strong>ascending order</strong> and an integer <code>k</code>.</p> <p>Define a pair <code>(u, v)</code> which consists of one element from the first array and one element from the second array.</p> <p>Return <em>the</em> <code>k</code> <em>pairs</em> <code>(u₁, v₁), (u₂, v₂), &hellip;, (u_k, v_k)</code> <em>with the smallest sums</em>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> nums1 = [1,7,11], nums2 = [2,4,6], k = 3</p> <p><strong>Output:</strong> [[1,2],[1,4],[1,6]]</p> <p><strong>Explanation:</strong> The first 3 pairs are returned from the sequence: [1,2],[1,4],[1,6],[7,2],[7,4],[11,2],[7,6],[11,4],[11,6]</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> nums1 = [1,1,2], nums2 = [1,2,3], k = 2</p> <p><strong>Output:</strong> [[1,1],[1,1]]</p> <p><strong>Explanation:</strong> The first 2 pairs are returned from the sequence: [1,1],[1,1],[1,2],[2,1],[1,2],[2,2],[1,3],[1,3],[2,3]</p> <p><strong>Example 3:</strong></p> <p><strong>Input:</strong> nums1 = [1,2], nums2 = [3], k = 3</p> <p><strong>Output:</strong> [[1,3],[2,3]]</p> <p><strong>Explanation:</strong> All possible pairs are returned from the sequence: [1,3],[2,3]</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= nums1.length, nums2.length <= 10⁵</code></li> <li><code>-10⁹ <= nums1[i], nums2[i] <= 10⁹</code></li> <li><code>nums1</code> and <code>nums2</code> both are sorted in <strong>ascending order</strong>.</li> <li><code>1 <= k <= 1000</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
List<List<Integer>>	kSmallestPairs(int[] nums1, int[] nums2, int k)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

kSmallestPairs

public List<List<Integer>> kSmallestPairs(int[] nums1,
 int[] nums2,
 int k)