array Archives - PrepBytes Blog

Students Roll Number

prepbytes_articlesJune 10, 2020April 14, 2022

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given N seats, where English paper students are evenly placed (0,2,4,...) and Hindi paper students are oddly placed (1,3,5,...). Print the...

Arrays Arrays Interview Programming

Find Maximum

prepbytes_articlesJune 10, 2020March 28, 2022

CONCEPTS USED: Arrays DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array A of N positive integers. The task is to find the maximum of j - i such that A[j]...

Arrays Arrays Interview Programming

Find the Missing

prepbytes_articlesJune 10, 2020March 28, 2022

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N-1 elements, with elements from 1 to N present into it. Find a single missing element....

Arrays Interview Programming

Quality Factor

prepbytes_articlesJune 10, 2020March 23, 2022

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a magical container such that whenever :- A Red Stone is added to the ith bag, the quality factor of...

Arrays Interview Programming

Rectangular Sweet Box

prepbytes_articlesJune 10, 2020March 30, 2022

CONCEPTS USED: Post Min array DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N elements, your task is to divide the array in maximum possible segments such that...

Arrays Arrays Interview Programming

Unique Array

prepbytes_articlesJune 10, 2020March 31, 2022

CONCEPTS USED: Hashing DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N elements containing all elements from 0 to N-1, your task is to find the maximum length...

Arrays Interview Questions

Unique Color Shirt

prepbytes_articlesJune 10, 2020March 23, 2022

CONCEPTS USED: Hashing DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N integers, find the count of unique integers in the array. See original problem statement here For...

Arrays Interview Programming

Find the Leader

prepbytes_articlesJune 10, 2020March 28, 2022

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Print all those elements that have no element greater than them in the right side of the array. Print elements from...

Arrays Interview Programming

Total number of sub-arrays whose sum value is greater than or equal to K

prepbytes_articlesJune 10, 2020April 8, 2022

CONCEPTS USED: Sliding Window Technique DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given an array of N elements, print the total number of sub-arrays whose sum value is greater than or equal...

Arrays Interview Programming

Interesting Array

prepbytes_articlesJune 10, 2020March 28, 2022

Concepts used: Two Pointers Technique Difficulty level: Medium Problem statement(SIMPLIFIED): Given an array A with N elements arranged in an ascending order, also given a number K. Check if their...

Arrays Interview Programming

Greater than Neighbor

prepbytes_articlesJune 10, 2020April 1, 2022

CONCEPTS USED: Arrays DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A of N elements, your task is to print all those indexes that have values greater than its left...

Arrays Interview Programming

Greater And Least

prepbytes_articlesJune 10, 2020March 23, 2022

CONCEPTS USED: Searching DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a number N, find the smallest number that has same set-of-digits as N and is greater than N. If N is...

Arrays

Array Max

prepbytes_articlesJune 10, 2020April 1, 2022

CONCEPTS USED: Suffix Sum Arrays DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array of N integers and an integer K, the task is to find the maximum sum taking every...

Arrays Interview Programming

Arithmetic Progression

prepbytes_articlesJune 10, 2020March 28, 2022

CONCEPTS USED: Hashing, Basic Mathematics DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array of N integers, print the value of all those elements, whose indexes form an increasing Arithmetic Progression...

Arrays Interview Programming

Friends Ages

prepbytes_articlesJune 10, 2020March 28, 2022

CONCEPTS USED: Hashing DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given N ages of students of a college and some conditions which determine whether A can Friend Request B or not. Determine...

Recursion Interview Programming

Quadrilateral

prepbytes_articlesJune 10, 2020March 30, 2022

CONCEPTS USED: Basic Mathematics, Co-ordinate Geometry DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given 4 coordinate points, check if the given quadrilateral formed from given coordinates forms a Square or not, print...

Arrays Interview Programming

Saitama’s Punch

prepbytes_articlesJune 10, 2020March 30, 2022

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array A which contains the sorted time points at which a hero named Saitama punches and paralyzes his enemy...

General Coding

Minimum number of notes

prepbytes_articlesJune 10, 2020March 30, 2022

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given various currency notes (1,2,5,10,20,50 ,100,500,1000) and N rupees. Print the minimum number of currency notes required to exchange for the...