Given an array arr[] of size N and an integer K, the task is to find an array element which contains the digit K maximum… Read More

# Category Archives: Searching

Given a 2D array arr[][] with each row of the form {l, r}, the task is to find a pair (i, j) such that the… Read More

Given an array arr[] of size N, the task is to find the total count of operations required to remove all the array elements such… Read More

Given an array arr[] of size N, the task is to check if the array is spirally sorted or not. If found to be true,… Read More

Given a set S of size N (1 ≤ N ≤ 1e5) consisting of intervals, the task is to find the minimum intervals required to… Read More

Given a Binary Tree, the task is to print the level order traversal of the tree after replacing the value of each node of the… Read More

Given a Binary tree consisting of N nodes with values in the range [1, N], the task is to find the distance from the root… Read More

Given three strings str, str1 and str2, the task is to count the number of pairs of occurrences of str1 and str2 as a substring… Read More

Given an array arr[] of size N, the task is to count the pairs whose concatenation of elements is divisible by 3 and each array… Read More

Given a positive integer N and an integer D representing a digit, the task is to count the numbers in the range[1, N] such that… Read More

Given two arrays A[] and B[] of N unique elements, the task is to find the maximum number of matched elements from the two given… Read More

Given an array arr[] of size N and an integer K, the task is to find the length of the longest subarray consisting of same… Read More

Given a string str of length N, the task is to find the minimum number of substrings required to be removed to make all the… Read More