Count all triplets with given sum in sorted array gfg. Jan 4, 2025 · Explanation: There is no triplet whose sum is equal to 1. class Solution: def countTriplets(self, arr, target): hash_set = {} total = len(arr) cnt = 0 # Build the hash_set with indices for each Day 51 of DSA Practice #gfg160 Problem: Count All Triplets with Given Sum in Sorted Array (GFG – Medium) Solved using the Two Pointer Technique on a sorted array to efficiently count valid Day 51 of DSA Practice #gfg160 Problem: Count All Triplets with Given Sum in Sorted Array (GFG – Medium) Solved using the Two Pointer Technique on a sorted array to efficiently count valid Day 51 of DSA Practice #gfg160 Problem: Count All Triplets with Given Sum in Sorted Array (GFG – Medium) Solved using the Two Pointer Technique on a sorted array to efficiently count valid Day 51 of DSA Practice #gfg160 Problem: Count All Triplets with Given Sum in Sorted Array (GFG – Medium) Solved using the Two Pointer Technique on a sorted array to efficiently count valid Day 51 of DSA Practice #gfg160 Problem: Count All Triplets with Given Sum in Sorted Array (GFG – Medium) Solved using the Two Pointer Technique on a sorted array to efficiently count valid Day 51 of DSA Practice #gfg160 Problem: Count All Triplets with Given Sum in Sorted Array (GFG – Medium) Solved using the Two Pointer Technique on a sorted array to efficiently count valid Day 51 of DSA Practice #gfg160 Problem: Count All Triplets with Given Sum in Sorted Array (GFG – Medium) Solved using the Two Pointer Technique on a sorted array to efficiently count valid Count all triplets with given sum in sorted array gfg potd today GeeksforGeeks POTD 4th January 2025 Let's Practice Together 2. Initial time complexity is O (n3). Using Two Pointers Technique The idea is to fix the first element of the triplet at index i and then using two pointers technique to count the other The outer loop iterates through the array up to \ ( n – 2 \) times, where \ ( n \) is the size of the array. Problem Link: https://www. Given a sorted array arr [] and a target value, the task is to count triplets (i, j, k) of valid indices, such that arr [i] + arr [j] + arr [k] = target and i < j < k. We will explore both a straightforward brute-force approach and a more optimized method that leverages the sorted nature of the array. Count all triplets with given sum in sorted array | GFG POTD 4 Jan 2024 | JAVA | C++ Ajinkya Jain 733 subscribers Subscribe The 3-Sum problem is a classic algorithmic problem where the objective is to find all unique triplets in an array that sum up to a specific target value, usually zero. My Approach: Initially i tried to approach the problem, similar to this. 67K subscribers Subscribe GFG PTOD | 04 Jan 2025 | Count all triplets with given sum in sorted array Posted on January 4, 2025 January 4, 2025 By thecodepathshala No Comments on GFG PTOD | 04 Jan 2025 | Count all triplets with given sum in sorted array Count All Triplets with Given Sum in Sorted Array | GFG 160-Day Challenge Day 51 | GFG POTD🔍 Problem Statement:Given a sorted array and a target sum, find t We have discussed two approaches, that works for both sorted and unsorted arrays, in the post 3 Sum - Count all triplets with given sum. This contributes \ ( O (n) \). All testcases but 1 passed. Jul 23, 2025 · We have discussed two approaches, that works for both sorted and unsorted arrays, in the post 3 Sum - Count all triplets with given sum. Now in case the given array is already sorted, we can further optimize the space using two pointers technique. Failed 6 times. Use two pointers (left and right) to find the other two elements that satisfy the required sum. If the current sum matches the target, count all unique combinations while Nov 18, 2025 · In this article, you will learn how to efficiently count all unique triplets within a sorted array that sum up to a specific target value using C++. geeksforgeeks. Count All Triplets with Given Sum in Sorted Array | GFG 160-Day Challenge Day 51 | GFG POTD🔍 Problem Statement:Given a sorted array and a target sum, find t Two-Pointer Technique in a Sorted Array: To efficiently solve the problem, we use the two-pointer approach in a sorted array: Iterate through the array, treating each element as the first element of a potential triplet. org/batch/gfg-160-problems/track/two-pointer-technique-gfg-160/problem/count-all-triplets-with-given-sum-in-sorted-ar. Two Pointers: For each iteration of the outer loop, the two-pointer technique processes the remaining part of the array. In the worst case, it contributes \ ( O (n) \) for each iteration of the outer loop. yh2ik, zpyho, ibnch, 4hgtl, ysqd, xac84, rwa9, 6zb52, 0ggp1e, erely,