Category Archives: Mathematical

Given a numeric string S, the task is to find the minimum and the maximum number of digits that must be removed from S such… Read More
Given an array arr[] consisting of N positive integers and an integer K, the task is to minimize the difference between the maximum and minimum… Read More
We use numbers in our day-to-day life. We buy everything with money and measure its quantity with the help of Numbers only. Therefore Numbers play… Read More
Pi is an irrational number having non-recurring decimal values. We commonly know Pi=3.14 or Pi=22/7, but it is just an approximation for our ease. There… Read More
Given an array arr[] consisting of N integers and an integer K, the task is to split the array into K subsets (N % K… Read More
Prerequisite: math Given n and x, where n is the number of terms in the series and x is the value of the angle in… Read More
Given an array arr[] of size N, the task is to find the frequency of each distinct element present in the given array. Examples: Input:… Read More
Binomial distribution is the probability distribution of no. of Bernoulli trials i.e. if a Bernoulli trail is performed n times the probability of its success… Read More
Line is the simplest geometrical shape. It has no endpoints and extends in both directions till infinity. The word “straight” simply means without “bend”. The… Read More
Implicit functions are functions where a specific variable cannot be expressed as a function of the other variable. A function that depends on more than… Read More
Given a 2D array point[][] with each row of the form {X, Y}, representing the co-ordinates of a polygon in either clockwise or counterclockwise sequence,… Read More
Friedman Test: It is a non-parametric test alternative to the one way ANOVA with repeated measures. It tries to determine if subjects changed significantly across… Read More
Sequence is an enumerated collection of objects in which repetition are allowed and order matters they formed such a pattern by which we can identify… Read More
Prerequisites: t-test , z-test In simple terms, Confidence Interval is a range where we are certain that true value exists. The selection of a confidence… Read More
Given an array arr[] consisitng of a permutation of first N natural numbers, the task is to find the minimum number of clockwise circular rotations… Read More