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C Articles
Page 44 of 96
C Program for sum of cos(x) series
We are given with the value of x and n where, x is the angle for cos and n is the number of terms in the cos(x) series. The cosine series allows us to calculate cos(x) using polynomial approximation instead of built-in trigonometric functions. Cos(x) Function Cos(x) is a trigonometric function which calculates the cosine of an angle. It can be represented as an infinite series using Taylor expansion. Cosine Function Properties: • Range: [-1, 1] • Period: 2π radians (360°) • cos(0) = 1, cos(π/2) = 0 ...
Read MoreC Program for nth Catalan Number
Given an integer n, the task is to find the Catalan Number at the nth position. Catalan numbers are a sequence of natural numbers that occur in various counting problems in combinatorics and computer science. Catalan numbers C0, C1, C2, … Cn are defined by the formula − $$c_{n}=\frac{1}{n+1}\binom{2n}{n} = \frac{2n!}{(n+1)!n!}$$ The first few Catalan numbers for n = 0, 1, 2, 3, … are 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, … Syntax unsigned long int catalan(unsigned int n); Applications of Catalan Numbers Counting the number ...
Read MoreC Program that receives a number and prints it out in large size
In C, we can create a program that displays numbers in large size using ASCII art patterns made with hash symbols. This technique is useful for creating visually appealing banner-style output or digital displays. Syntax void printLargeNumber(char number[]); Approach The solution uses predefined character arrays to store ASCII art patterns for each digit (0-9). Each digit pattern is 7 rows high and 8 characters wide − Define 2D character arrays for each digit's visual pattern Traverse the input string character by character Print corresponding patterns row by row to display digits side ...
Read MoreC Program to check if a number belongs to a particular base or not
Given a number as a string and a base, the task is to check whether the given number belongs to that given base or not. We have to check the number and the base according to the number system in which there are bases like 2 for a binary number, 8 for an octal number, 10 for decimal number and 16 for a Hexadecimal number. According to this we have to find whether the given number in a string belongs to a particular base or not. If it belongs to a particular base then we have to print "Yes" ...
Read MoreC Program for N-th term of Arithmetic Progression series
Given 'a' the first term, 'd' the common difference and 'n' for the number of terms in a series. The task is to find the nth term of the Arithmetic Progression series. Arithmetic Progression (AP) is a sequence of numbers where the difference between any two consecutive terms is constant. This constant difference is called the common difference. For example, if we have first term a = 5, common difference d = 2, and we want to find the 4th term, the series would be: 5, 7, 9, 11. So the 4th term is 11. Syntax ...
Read MoreC Program to calculate the Round Trip Time (RTT)
Round Trip Time (RTT) is the time required to send a network request to a server and receive a response back. In C programming, we can calculate RTT by measuring the time before and after making a network request or system call. Syntax #include clock_t start_time = clock(); // Network operation or system call clock_t end_time = clock(); double rtt = ((double)(end_time - start_time)) / CLOCKS_PER_SEC; What is Round Trip Time? Round Trip Time (RTT) consists of − Transmission time − Time to send the request Propagation delay − Time for ...
Read MoreC Program to Change RGB color model to HSV color model
Given RGB color range in form of integers; the task is to find its appropriate HSV color by converting the RGB color range. This conversion helps translate between the hardware-oriented RGB model and the more intuitive HSV model used in graphics and design applications. What is RGB Color Model RGB color model comprised of three colors Red, Green and Blue. RGB model is a color model which is widely used in the display technologies; it is an additive model in which we add these three colors with different intensities to produce millions of different colors on a display ...
Read MoreC Program to convert a given number to words
In C programming, converting numbers to words is a common problem that involves breaking down a number into its place values and mapping each digit to its corresponding word representation. This program converts numbers from 0 to 9999 into their English word equivalents. Syntax void convert(char *num); Algorithm Overview The conversion process involves these key steps − Parse the input string to determine its length Use arrays to store word representations for different place values Process digits from left to right based on their position Handle special cases for numbers 10-19 and ...
Read MorePrinting all subsets of {1,2,3,...n} without using array or loop in C program
Given a positive integer n, we have to print all the subsets of the set {1, 2, 3, 4, … n} without using any array or loops. For example, if n = 3, we need to print all subsets of {1, 2, 3} which are {1 2 3}, {1 2}, {2 3}, {1 3}, {1}, {2}, {3}, and { }. Since we cannot use loops or arrays, recursion is the only way to solve this problem. We use binary representation to generate subsets efficiently. Syntax void generateSubsets(int n, int currentNum); void printSubset(int bitPosition, int num, int ...
Read MoreBash program to check if the Number is a Prime or not
A prime number is a natural number greater than 1 that has exactly two factors: 1 and itself. Examples include 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, etc. In this article, we'll write a C program to check if a given number is prime or not. Syntax for (i = 2; i
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