cpp-unordered_map

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Last Updated: 30 November 2023

Given a stock's prices for the past n days in the array stockPrice. Choose a subsequence (an ordered subset of an array's elements) of stock ...read more

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Count of Subsequences with distinct elements

Last Updated: 29 October 2023

Given an array arr[] (1=a[i]=1e9) containing N (1=N=1e5) elements, the task is to find the total number of subsequences such that all elemen ...read more

Find the longest Subarray with equal Sum and Product

Last Updated: 17 April 2023

Given an array arr[] of N integers, the task is to find the length of the longest subarray where the sum of the elements in the subarray is ...read more

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Maximize frequency of an element by adding X to a Subsequence

Last Updated: 09 November 2022

Given an array A[] of size N, the task is to maximize the frequency of any element by adding any positive integer X to all elements of any s ...read more

Count of pairs whose sum of pairwise product with X and Y is K

Last Updated: 14 June 2022

Given an array arr[] of size N and three integers X, Y and K, the task is to count the number of pairs (i, j) where i j such that (arr[i] * ...read more

Find frequency of each element in given 3D Array

Last Updated: 24 March 2023

Given a 3D array of size N*M*P consisting only of English alphabet characters, the task is to print the frequency of all the elements in inc ...read more

Print Array after moving first occurrence of given element to end in given Array for Q queries

Last Updated: 08 February 2023

Given an array arr[] of N integers and an array query[] having Q integers, the task is to print the array arr[] after moving the first occur ...read more

Nearest power of 2 of frequencies of each digit of a given number

Last Updated: 12 May 2021

Given a positive integer N, the task is to print the nearest power of 2 of the frequencies of each digit present in N. If there exists two n ...read more

Check if a pair of integers A and B can coincide by shifting them by distances arr[(A%N +N)%N] and arr[(B%N +N)%N]

Last Updated: 20 May 2021

Given an array arr[] of size N, the task is to check if any two integers A and B coincide at a single point on the number line after shiftin ...read more

Count squares of unique dimensions possible from given Straight Lines parallel to the axes

Last Updated: 29 December 2022

Given two arrays X[] and Y[] consisting of N and M integers such that there are N lines parallel to the y-axis and M lines parallel to the x...read more

unordered_map get_allocator in C++ STL

Last Updated: 19 December 2018

unordered_map::get_allocator() is a built in function in C++ STL which is used to get allocator of container unordered_map. Syntax Allocato ...read more

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unordered_map cend in C++ STL

Last Updated: 18 December 2018

The unordered_map::cend() is a built-in function in C++ STL which returns an iterator pointing to the position past the end element in the c ...read more

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unordered_map max_bucket_count in C++ STL

Last Updated: 14 December 2018

The unordered_map::max_bucket_count is a built in function in C++ STL. It returns the maximum number of buckets unordered_map container can ...read more

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Sum of all minimum frequency elements in Matrix

Last Updated: 06 September 2022

Given a NxM matrix of integers containing duplicate elements. The task is to find the sum of all minimum occurring elements in the given mat ...read more

Find four factors of N with maximum product and sum equal to N | Set-2

Last Updated: 14 February 2023

Given an integer[Tex]N[/Tex]. The task is to find all factors of N and print the product of four factors of N such that:Sum of the four fact ...read more

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