Given an array of integers, A[] of size n with elements in range 1 to n may not consist of all the numbers from 1 to n. There are two players P1 and P2, who play in alternate turns in each turn a player can choose any index i and increase only A[i] by 1 only once in… Read More »
Given an array arr of size n, the task is to sort this array using minimum swaps. We are allowed to swap only adjacent elements. Examples: Input: arr[] = {1, 4, 3, 5, 2} Output: 4 Explaination: After 1st swap: arr[] = {1, 4, 3, 2, 5} After 2nd swap: arr[] = {1, 4, 2, 3, 5} After… Read More »
In this article, you will learn to check whether an alphabet entered by the user is a vowel or a consonant. English alphabets a, e, i, o and u both lowercase and uppercase are known as vowels. Alphabets other than vowels are known as consonants. We check whether given character matches any of the 5 vowels. If yes,… Read More »
In this article, you will learn to find the roots of a quadratic equation in C programming. Quadratic Equation : In elementary algebra a quadratic equation is an equation in the form of ax2 + bx + c = 0 It is known as a quadratic equation, where a, b and c are numbers and a is not… Read More »
In this article, you will learn to generate the multiplication table of a number. Examples : Input : 2 Output : 2 * 1 = 2 2 * 2 = 4 2 * 3 = 6 2 * 4 = 8 2 * 5 = 10 2 * 6 = 12 2 * 7 = 14 2 *… Read More »
In this article, you will learn to calculate Sum of First n Natural numbers. The positive numbers 1, 2, 3… are known as natural numbers. The sum of natural numbers up to 10 is: sum = 1 + 2 + 3 + … + 10 Find the sum of numbers for every number from 1 to 4 :… Read More »
This program checks whether the input year is leap year or not. A leap year is exactly divisible by 4 except for century years (years ending with 00). The century year is a leap year only if it is perfectly divisible by 400. Leap Year : If a year is divisible by 4, 100 and 400 then it… Read More »
In this article, you will learn to find the quotient and remainder when an integer is divided by another integer. Examples : Input: A = 2, B = 7 Output: Quotient = 3, Remainder = 1 Input: A = 27, B = 5 Output: Quotient = 5, Remainder = 2 We can compute quotient and remainder using division… Read More »
In this article, you will learn to swap two numbers in C programming. Examples : Input : x = 10, y = 20; Output : x = 20, y = 10 Input : x = 50, y = 100 Output : x = 100, y = 100 Algorithm : Assign x to a temp variable, i.e., temp =… Read More »
C Program for Sum of digits of a given number. Examples : Input : 123 Output : 6 Input : 1995 Output : 24 Algorithm : To get sum of each digits by c program, use the following algorithm: Get number by user Get the modulus/remainder of the number Sum the remainder of the number Divide the number… Read More »