Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: Elements in a triplet (a,b,c) must be in non-descending order. (ie, a ≤ b ≤ c) The solut…
public class Solution { public List<List<Integer>> threeSum(int[] num) { Arrays.sort(num); List<List<Integer>> res = new LinkedList<>(); for (int i = 0; i < num.length-2; i++) { if (i == 0 || (i > 0 && num[i] !=…
题目: https://leetcode.com/problems/3sum-closest/ [标签]Array; Two Pointers [个人分析] 这道题和它的姊妹题 3Sum 非常类似, 就不再多说了,具体一些的分析可以参考 [Leetcode][015] 3Sum public class Solution { public int threeSumClosest(int[] nums, int target) { int result = target; int len = nu…
Given an array of n integers nums and a target, find the number of index triplets i, j, k with 0 <= i < j < k < n that satisfy the condition nums[i] + nums[j] + nums[k] < target. For example, given nums = [-2, 0, 1, 3], and target = 2. Retu…
15. 3Sum Total Accepted: 131800 Total Submissions: 675028 Difficulty: Medium Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: The solutio…
15. 3Sum Total Accepted: 131800 Total Submissions: 675028 Difficulty: Medium Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: The solutio…
