classSolution {public: vector<vector<int>> kSmallestPairs(vector<int>& nums1, vector<int>& nums2,intk) { vector<vector<int>>res; priority_queue<pair<int, vector<int>>>pq;for(intnum1 : nums1) {for(intnum2 : nums2) {intsum = num1 +num2;if(pq.size() <k) { pq.push({sum,...
View Code 优化的思路是改成一个最大堆。还是先把所有的 pair 放入 priority queue 中,当这个优先队列的 size 小于 K 的时候,直接加入即可;但是当这个优先队列的 size 大于等于 K 了,但是此时还有元素需要加进去的时候,比较一下堆顶元素的 sum 和要加进去的元素的 sum 谁更大,抛弃掉更大的那个元素。最后优...
Today's LeetCode Daily problem isFind K Pairs with Smallest Sums. Problem description This problem is commonly solved with with priority queue. Here's a C++ solution for reference. Solution with PQ Many users — and me in particular — initially tried to solve this problem with two pointers ...
438. Find All Anagrams in a String # 题目 # Given a string s and a non-empty string p, find all the start indices of p’s anagrams in s. Strings consists of lowercase English letters only and the length of both strings s and p will not be larger than 2
Title Case ToLeetSpeak Transform To Prime Two fighters one winner Two Sum up AND down "Very Even" Numbers Welcome What dominates your array? What's a Perfect Power anyway? Word a10n (abbreviation) Write Number in Expanded Form Write out numbers Your order, please Sergey SvistunovAbout...
Return the city with the smallest number of cities that are reachable through some path and whose distance is at mostdistanceThreshold, If there are multiple such cities, return the city with the greatest number. Notice that the distance of a path connecting citiesiandjis equal to the sum of...
I will show you how to find worlds and their count from a given file in Java. How to find the word and their count from a text file is another frequently asked coding question from Java interviews. The logic to solve this problem is similar to what we have seen inhow to find duplicat...
leetcode373. Find K Pairs with Smallest Sums 题目要求 You are given two integer arrays nums1 and nums2 sorted in ascending order and an integer k. Define a pair (u,v) which consists of one element from the first array and one element from the second array....
package leetcode import ( "container/heap" "sort" ) // 解法一 优先队列 func kSmallestPairs(nums1 []int, nums2 []int, k int) [][]int { result, h := [][]int{}, &minHeap{} if len(nums1) == 0 || len(nums2) == 0 || k == 0 { ...
vector<vector<int>> kSmallestPairs(vector<int>& nums1, vector<int>& nums2,intk) { map<int, multiset<pair<int,int> > >pairSum;//遍历所有可能的数对,保存数对以及它们的和for(intj =0; j < nums2.size(); ++j) {for(inti =0; i < nums1.size(); ++i) { ...