Given a string str of length N and an integer K, the task is to check if a string has two non-overlapping substrings of length… Read More
Tag Archives: cpp-unordered_set
Given an array of strings arr[] of size N, the task is to print all the distinct strings present in the given array. Examples: Input:… Read More
Given a string str, consisting of lowercase alphabets, the task is to find the shortest string which is not a subsequence of the given string.… Read More
Given a matrix mat[][] of size M * N, the task is to find all matrix elements which are minimum in their respective row and… Read More
Given two strings start and target(both of the same length) and a list of strings str[], the task is to print all possible smallest sequences… Read More
Given a Binary Tree and an integer K, the task is to check if the Tree consists of a pair of leaf nodes with sum… Read More
Given a string str, the task is to find the number of distinct substrings that are placed consecutively in the given string. Examples: Input: str… Read More
Given an initial array, A[] and a final array B[] both of size N containing integers from the range [1, N], where A[] represent the… Read More
Given two arrays a[] and b[], the task is to find the count of all pairs (a[i], b[j]) such that a[i] + b[j] is unique… Read More
Given a number N. Add one to the number in the first step and if the number has trailing zeros, remove all the trailing zeros… Read More
Given two arrays arr1[] and arr2[] of sizes N and M where 0 ≤ arr1[i], arr2[i] ≤ 1000 for all valid i, the task is… Read More
Given an unsorted sequence a[], the task is to find the K-th missing contiguous element in the increasing sequence of the array elements i.e. consider… Read More
Given N strings of equal lengths. The strings contain only digits (1 to 9). The task is to count the number of strings that have… Read More
Given an array arr[] of N distinct integers and a positive integer K, the task is to find the number of ways of choosing an… Read More
Unordered_set provides two operators in C++ STL. These are: Syntax: 1. (unordered_set &lhs == unordered_set &rhs) 2. (unordered_set &lhs != unordered_set &rhs) These operators are discussed… Read More
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