Magical Ropes
CONCEPTS USED: Binary Search DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array H of lengths of Magical Ropes and array R of the rate by which rope increases daily, print...
Floor of a number
CONCEPTS USED: Searching DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a sorted array A and a number x. find the largest value in the array that is less than or equal...
Generate all Pairs of 0 and 1
CONCEPTS USED: Recursion DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given N pairs of Binary Numbers 0 and 1, your task is to generate all possible combinations such that for each 0...
Factorial Zeros
CONCEPTS USED: Binary Search, Mathematics DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a number N, your task is to find the count of all such numbers that have N trailing zeros...
Get the Sun Light
CONCEPTS USED: Searching DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A of unique heights of buildings. The sun is facing buildings from left to right, print the number of...
Anagram or Not
Concepts Used Strings, Hashing Difficulty Level Easy Problem Statement (Simplified): Check if string B can be achieved by A by rearranging letters of A. If yes print Yes else No;...
Aman and Math
Concepts Used Strings Difficulty Level Hard Problem Statement (Simplified): Find the maximum answer by evaluating the given string and putting a bracket anywhere in the string. See original problem statement...
Square Moves
Concepts Used Strings, Hash Table Difficulty Level Hard Problem Statement (Simplified): Find the total number of children standing on each square after 10100 rotations by every individual child. Each child...
Program to Print Roll No of Students Seated at Even Position
Arrays are the data structures that enables us to store data of similar type under the same variable name. It can be used to store the details of the student...
Fraction to Float
Concepts Used Strings Difficulty Level Hard Problem Statement (Simplified): Print the decimal output of the fraction of two given numbers and enclose the repeating part in decimal places in brackets....
Find Maximum
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]...
Find the Missing
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....
Quality Factor
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...
Rectangular Sweet Box
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...
Unique Array
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...
Unique Color Shirt
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...
Find the Leader
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...
Find Number of Sub-arrays with sum is greater than or equal to K
Finding the number of subarrays with a sum greater than or equal to a given value K is a common problem in array manipulation. The task involves determining the count...
Interesting Array
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...
Greater than Neighbor
In this article, we will be looking at how we can solve the problem Greater than neighbor, in which you are given an Array and you need to print all...
Greater And Least
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...
Array Max
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...
Arithmetic Progression
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...
Friends Ages
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...
Substring Start End Same
CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a string S, print the count of all contiguous substrings that start and end at the same character. For Example: Input...
Shubhaluxumy loves Binary Number
CONCEPTS USED: Binary Search DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given two numbers N(number of rows) and I(index of a row), such that given a 0 in the 1st row and...
Range Even
CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a number N, your task is to print all even numbers (>0) from 1 to N using recursion. See original problem...
Matrix and combination
CONCEPTS USED: Recursion DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given a matrix M*N containing only lowercase english alphabets, your task is to select elements from the first row one by one,...
Mike and Binary Number
CONCEPTS USED: Recursion DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given a number N, your task is to print all possible permutations of its Binary Representation. NOTE : Print the output in...
Check Palindrome
CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a number N, check whether the number is palindrome or not using recursion. The palindrome number remains the same when its...