## set upper_bound() function in C++ STL

The set::upper_bound() is a built-in function in C++ STL which returns an iterator pointing to the immediate next element which is just greater than k.… Read More »

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The set::upper_bound() is a built-in function in C++ STL which returns an iterator pointing to the immediate next element which is just greater than k.… Read More »

The set::lower_bound() is a built-in function in C++ STL which returns an iterator pointing to the element in the container which is equivalent to k… Read More »

The set::insert is a built-in function in C++ STL which insert elements in the set container or inserts the elements from a position to another… Read More »

The set::find is a built-in function in C++ STL which returns an iterator to the element which is searched in the set container. If the… Read More »

The set::equal_range() is a built-in function in C++ STL which returns an iterator of pairs. The pair refers to the range that includes all the… Read More »

Given a string and an integer M, print all distinct circular strings of length M in lexicographical order. Examples: Input: str = “baaaa”, M =… Read More »

Given an array of N elements and an integer K, print all the distinct integers which can be formed by choosing K numbers from the… Read More »

set::key_comp() is an inbuilt function in C++ STL which returns a copy of the comparison object used by the container. By default, this is a… Read More »

The set::value_comp() is an inbuilt function in cpp that returns a copy of the comparison object used by the container. This object determines the order… Read More »

Given a Sudoku Board configuration, check whether it is valid or not. Examples: Input: [5 3 – – 7 – – – -] [6 -… Read More »

set::rbegin() is a built-in function in C++ STL which returns a reverse iterator pointing to the last element in the container. Syntax: reverse_iterator set_name.rbegin() Parameters:… Read More »

Suppose there are n towns connected by m bidirectional roads. There are s towns among them with a police station. We want to find out… Read More »

Pre-requisite : set in C++, unordered_set in C++ Differences : | set | unordered_set ——————————————————— Ordering | increasing order | no ordering | (by default)… Read More »

set and map in STL are similar in the sense that they both use Red Black Tree (A self balancing BST). Note that the time… Read More »

Prerequisite :Basic knowledge of STL and Sets Data structure. About ordered set Ordered set is a policy based data structure in g++ that keeps the… Read More »