# Tag Archives: two-pointer-algorithm

There is a one-dimensional garden of length N. In each position of the N length garden, a fountain has been installed. Given an array a[]such… Read More
Given two arrays coins[] and salaries[] where coins[i] represents the value of ith coin and salaries[j] represents the minimum value of the coin that jth… Read More
Given an array arr[] of N positive integers, the task is to find the subarray having maximum sum among all subarrays having unique elements and… Read More
Given an array arr[] of size N, the task is to split the entire array into a minimum number of subarrays such that for each… Read More
Given an array arr[] consisting of N positive integers. The task is to find the length of the longest subarray of this array that contains… Read More
Recommended Solve DSA problems on GfG Practice. Solve Problems My Personal Notes arrow_drop_up Save
Given an array arr[] of length N, the task is to find the longest subarray for each array element arr[i], which contains arr[i] as the… Read More
Given an array arr[] consisting of non-negative integers, the task is to find the number of ways to split the array into three non-empty contiguous… Read More
Given an array arr[], the task is to check if it is possible to rearrange the array in such a way that every even index(1-based… Read More
Given a binary string S, the task is to find the minimum number of swaps required to be performed to maximize the value represented by… Read More
Given an array A[] consisting of N integers, the task is to find the maximum possible value of K, such that K * |i –… Read More
Given two integers N and K, the task is to find the total count of N-digit number such that the sum of every K consecutive… Read More
Given an array arr[] and an integer X, the task is to print the longest subarray such that the sum of its elements isn’t divisible… Read More
Given an array A[ ] consisting of N positive integers, the task is to find the number of triplets A[i], A[j] & A[k] in the… Read More
Given an array arr[] of size N, consisting of positive and negative integers, the task is to find the longest alternating subsequence(i.e. the sign of… Read More