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5 posts

Find the root of given non decreasing function between A and B

Last Updated: 12 July 2025

Given three numbers a, b, and c that forms a monotonically increasing functionf(x)of the form a*x2 + b*x + c and two number A and B, the task is to find the root of the fu...read more

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multiset upper_bound() in C++ STL with Examples

Last Updated: 11 July 2025

The multiset::upper_bound() is a built-in function in C++ STL that returns an iterator pointing to the immediate next element which is just greater than k. If the key pass...read more

cpp-containers-library

cpp-binary-search

std::lower_bound in C++

Last Updated: 19 January 2026

std::lower_bound is a Standard Template Library (STL) algorithm used to find the first position where a given value can be inserted in a sorted range without violating the...read more

cpp-algorithm-library

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Binary Search functions in C++ STL (binary_search, lower_bound and upper_bound)

Last Updated: 04 June 2026

Binary search functions in C++ STL provide an efficient way to search and locate elements in sorted containers. These functions use the binary search algorithm internally ...read more

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std::upper_bound and std::lower_bound for Vector in C++ STL

Last Updated: 15 November 2025

The std::upper_bound() and std::lower_bound() perform binary search on random-access STL containers and are defined in algorithm. Here, we focus on their use with vectors ...read more

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cpp-containers-library

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