Programming Articles - Page 2380 of 3363

Given a number ‘n’ we have to check whether the number given is Strong Number or not.Strong number is a number whose sum of all digits’ factorial is equal to the number ‘n’. Factorial implies when we find the product of all the numbers below that number including that number and is denoted by ! (Exclamation sign), For example: 4! = 4x3x2x1 = 24.So, to find a number whether its strong number, we have to pick every digit of the number like the number is 145 then we have to pick 1, 4 and 5 now we will find factorial ... Read More

Given a matrix as mat[row][column], our task is to check whether the given matrix is singular or not through a function and display the result.Singular matrix is a matrix whose determinant is zero and if the determinant is not zero then the matrix is non-singular.So to find whether the matrix is singular or non-singular we need to calculate determinant first. Determinant of a matrix can be calculated as −$$M1[3][3]\:=\:\begin{bmatrix}a & b & c \d & e & f \g & h & i \end{bmatrix}$$|m1| = a(e*i - f*h) - b(d*i - f*g) + c(d*h - e*g)ExampleInput-: mat[3][3]= { 4, 10, ... Read More

Given with the value of n as an input and the task is to compute the value of Log n through a function and display it.Logarithm or Log is the inverse function to exponentiation which means to calculate log the raised power must be calculated as a base.IF  $$\log_b x\;\:=\: y\:than\:b^{y}=x$$Like $$\log_2 64\;\:=\: 6\:than\:2^{6}=64$$ExampleInput-: Log 20 Output-: 4 Input-: Log 64 Output-: 6AlgorithmStart In function unsigned int log2n(unsigned int num)    Step 1-> Return (num > 1) ? 1 + log2n(num / 2) : 0 In function int main()    Step 1-> Declare and assign num = 20    Print log2n(num) ... Read More

Given with array, L, R, P as an input and the task is to find the ranges between L and R with the product under modulo as output and display itAs given in the figure we have array of elements and L which is a Left value as 2 and R which is the Right value as 2. Now the program must find the products of ranges between them.ExampleInput-:  A[] = { 1, 2, 3, 4, 5, 6 }    P = 29  L = 2 R = 6 Output-: 24 Input-: A[] = {1, 2, 3, 4, 5, 6},   ... Read More

Given with the number and the task is to generate the diamond pattern with the given n different layers and display it.ExampleInput: n = 3Output:Approach used in the below program is as follows −Input the number of rowsAnd in this pattern there are ((2 * n) + 1) rowsNumber of spaces from 0 – n is (2 * (n – i))And the number of spaces from n+1 till end are ((i – n) * 2)AlgorithmStart Step 1-> declare a function to print a pattern    void print_pattern(int n)    declare variables as int i, j    Loop For i = 1 i

Given with the input as fraction i.e. a/b and c/d where a, b, c and d can be any integer values other than 0 and the task is to add these two fraction to generate their final sum.Fractions are represented by −a / b, where a is known as numerator and b is known as denominator.a and b can have any numeric values but b can have any numeric value other than 0.Sum of two fractions is represented as a / b + c / d, and the rule for adding the two terms is that their denominator must be ... Read More

The Jackson @JsonInclude annotation can be used to exclude the properties or fields of a class under certain conditions and it can be defined using the JsonInclude.Include enum. The JsonInclude.Include enum contains few constants like "ALWAYS", "NON_DEFAULT", "NON_EMPTY" and "NON_NULL" to determine whether to exclude the property(field) or not.Syntaxpublic static enum JsonInclude.Include extends EnumExampleimport com.fasterxml.jackson.annotation.*; import com.fasterxml.jackson.databind.*; import java.io.*; public class JsonIncludeTest {    public static void main(String args[]) throws IOException {       ObjectMapper objectMapper = new ObjectMapper();       Employee emp = new Employee();       String jsonString = objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(emp);       System.out.println(jsonString);    } } // Employee class ... Read More

Given with ‘a’(first term), ‘d’(common difference) and ‘n’ (number of values in a string) and the task is to generate the series and thereby calculating their sum.What is an Arithmetic seriesArithmetic series is the sequence of numbers with common difference where the first term of a series is fixed which is ‘a’ and the common difference between them is ‘d’.It is represented as −a, a + d, a + 2d, a + 3d, . . .ExampleInput-: a = 1.5, d = 0.5, n=10 Output-: sum of series A.P is : 37.5 Input : a = 2.5, d = 1.5, n ... Read More

Given with the rate of filling the tank, height of a tank and radius of a tank and the task is to check whether the tank is overflow, underflow and filled in given time.ExampleInput-: radius = 2, height = 5, rate = 10 Output-: tank overflow Input-: radius = 5, height = 10, rate = 10 Output-: tank undeflowApproach used below is as follows −Input the rate of filling time, height and radius of a tankCalculate the volume of a tank to find the original rate of flow of water.Check for the conditions to determine the resultIf expected < original ... Read More

Given with an input by the user and the task is to check whether the given input is an integer or a string. Integer can be any combination of digits between 0 -9 and string can be any combination excluding 0 – 9. Example Input-: 123 Output-: 123 is an integer Input-: Tutorials Point Output-: Tutorials Point is a string Approach used below is as follows − Input the data. Apply isdigit() function that checks whether a given input is numeric character or not. This function takes single argument as an integer and also returns ... Read More