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Page 2024 of 2109
C++ Program for Deadlock free condition in Operating Systems
Given with the P number of processes in the memory and N number of needed resources by them to complete their execution and the task is to find the minimum number of resources R which should be allotted to the processes such that deadlock will never occur.What is a DeadlockDeadlock is situation in an operating system where multiple processes residing in the memory doesn’t able to perform their execution because the resources which are needed for program execution is being hold by another resource who is waiting for some other resource for completion.Let’s say there are two processes P1 and ...
Read MoreC++ Program for class interval arithmetic mean
We are given with three arrays where first array contains the upper limit for arithmetic mean, second array contains the lower limit for arithmetic mean and third array contains the frequencies and the task is to generate the arithmetic mean of class intervals given.What is Arithmetic Mean?Arithmetic mean is the average value that is calculated by dividing the sum of all the elements in the set with the total number of elements in the given set.How to calculate Class Interval Arithmetic MeanGiven with Lower Limit, Upper Limit, FrequencyLower LimitUpper LimitFrequency121342563784Calculate the mid-point by adding the upper limit and lower limit ...
Read MoreC++ Program for triangular pattern (mirror image around 0)
Given with the positive value n and the task is to generate the triangular pattern i.e. mirror image of the printed numbers and display the resultExampleInput-: n = 6 Output-:Input-: n = 3 Output-:Approach used in the below program is as follows −Input the value of n as a positive integerTraverse one loop i for the number of rows in a pattern i.e. nTraverse one loop j for the number of spaces in a patternTraverse another loop for the digits in a patternAlgorithmSTART Step 1-> declare function to print mirror image of triangular pattern void print_mirror(int n) declare ...
Read MoreC++ program for Find sum of odd factors of a number
Given with a positive integer and the task is to generate the odd factors of a number and finding out the sum of given odd factors.ExampleInput-: number = 20 Output-: sum of odd factors is: 6 Input-: number = 18 Output-: sum of odd factors is: 13So, result = 1 + 5 = 6Approach used in the below program is as follows −Input the number for calculating the sum of odd factors of that numberIgnore the digit 0 and 2 because both are even digits and store the digit 1 because it is an odd digitStart the loop from 3 ...
Read MoreUsing Variables in JShell of Java 9
In JShell 9, variables can be declared during a session. Once the user has logged into the session, they can declare a variable as follows −jshell> int val = 56 ;Italics indicate the terminal, once the user has logged in to their session.The above line would print the below output. The semicolon in the above line is optional, and it will run fine without the semicolon also.Outputval = = > 56When an integer value is defined by assigning it to a variable name on the JShell, and it is executed, by pressing ‘Enter’ key, it is displayed on the next ...
Read MoreBakhshali Approximation for computing square roots in C program
Bakhshali approximation is a method of computing the square root of a number which is not a perfect square. Now, lets brush-related terms to easily understand the concept.Square root of a number x is a number that satisfies the following condition, y2 = x.Perfect Square is a number whose square roots are w. For example 16 is perfect square as its roots are 4 and 4.There are multiple methods defined mathematically to find the square root of a number. In this tutorial, we are going to learn about Bakhshali approximation to find the square root of a number.It is a ...
Read MoreBalance pans using given weights that are powers of a number in C++ program
STATEMENT − Balance pans using given weights that are powers of a number.DESCRIPTION − In this problem we are given a pan based weighing machine. we are given a weight T and some other weights whose values are powers of a number a. We need to balance the pans using the given weights.Now, based on this we have this equation, T + (some power of a) = (some other power of a)Now, we should remember that there is exactly one weight corresponding to a power value.Example, T = 12 : a = 4Using the below values, we can balance the ...
Read MoreC++ Balanced expression with replacement
A balanced expression of parentheses is an expression that contains pairs of all sort of parentheses together in a correct order.this means that for every opening parentheses there is a closing parentheses in proper order of parentheses i.e. { }.let's take a few examples to understand the concept better −Expression − {([][]{})({}[]{})}Output − balancedExplanation − we can see that for every opening parentheses there is a closing parentheses. all the parentheses lying between an opening parentheses and closing parentheses in Pairs.Output − not balanceExplanation − there are some unordered pairs of parentheses which makes the the expression unbalanced.In this problem ...
Read MoreFind the final X and Y when they are Altering under given condition in C++
Consider we have the initial values of two positive integers X and Y. Find the final value of X and Y, such that there will be some alteration as mentioned below −step1 − If X = 0 and Y = 0 then terminate the process, otherwise go to step2step2 − If X >= 2Y, then set X = X – 2Y, and go to step1, otherwise go to step3step3 − If Y >= 2X, then set Y = Y – 2X, and go to step1, otherwise end the process.The number X and Y will be in range [0 and 1018] ...
Read MoreWhich function should be used to load a package in R, require or library?
The main difference between require and library is that require was designed to use inside functions and library is used to load packages. If a package is not available then library throws an error on the other hand require gives a warning message.Using library> library(xyz) Error in library(xyz) : there is no package called ‘xyz’Using requirerequire(xyz) Loading required package: xyz Warning message: In library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE, : there is no package called ‘xyz’Here we can see that the library shows an error and require gives a warning message, since warnings are mostly avoided ...
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