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Category Archives: Searching

Given an array arr[] of size N and a positive integer K, the task is to find the smallest positive integer such that the sum… Read More
Given a numeric string S representing a positive decimal integer, the task is to find the minimum number of positive Deci-Binary numbers required to obtain… Read More
Given an N-Ary tree, the task is to print all root to leaf paths of the given N-ary Tree. Examples: Input:         … Read More
Given an array arr[] of size N, the task is to make all the array elements odd by choosing an odd length subarray of arr[]… Read More
Given a binary string S, the task is to convert the given string S to its lexicographic maximum form by reversing substrings having an even… Read More
Given a binary string S of length N, the task is to count the minimum number substrings of S that is required to be reversed… Read More
Given binary string str of length N​​​​, the task is to find the minimum number of characters required to be deleted from the given binary… Read More
Given an array arr[] consisting of N integers and an integer K, the task is to find the maximum number of pairs having sum K… Read More
Given an array arr[] of length N, the task for every possible length of subarray is to find the smallest element present in every subarray… Read More
Given an array arr[] of size N, the task is to find indices of array elements whose removal makes the sum of odd and even… Read More
Given an array arr[] of size N and an integer K, the task is to find the count of distinct pairs in the array whose… Read More
Given two arrays, arr[] and brr[] of size N and M respectively, the task is to find the count of pairs (arr[i], brr[j]) such that… Read More
Given an array arr[] consisting of N integers, the task is to sort the array in non-increasing order by minimum number of anti-clockwise rotations. If… Read More
Given two strings X and Y of length N, the task is to check if both the strings can be made equal by reversing any… Read More