78526Nasir

/**
    @Author: Nasir Islam Sujan
    @Github: https://github.com/78526Nasir
*/

/*
    * False Position Method
    * This solution is for the following equation
    * f(x)=(x-4)^2(x+2)=0
    * given initial guesses xL=-2.5, xU=-1.0

78526Nasir

/*
    @ Author: Nasir Islam Sujan
    @ GitHub: https://github.com/78526Nasir
*/

/*
    * This solution was written for
    * the following equation
    * f(x) = x^3 - 0.165x^2 + 3.993 * 10^-4
    You need an absolute relative approximate error of 5% or less.

78526Nasir

/*
    @ Author: Nasir Islam Sujan
    @ GitHub: https://github.com/78526Nasir
*/


/*
    * This solution was written for
    * the following equation
    * f(x) = x^3 - 0.165x^2 + 3.993 * 10^-4

78526Nasir

/*
    @ Author: Nasir Islam Sujan
    @ GitHub: https://github.com/78526Nasir
*/

/*
    * This solution is written for the follwing equation
    * dy/dx=x+2y, where y(x0)=y(0)=0
    
    * we need to use Euler's method to find a value for the 

78526Nasir

// Round Robin CPU scheduling algorithm implementation in C!

#include<stdio.h>
#define max 20 // maximum size for array
main()
{
    int i,burstTime[max],remainTime[max],remainProcess,arrivalTime[max],totalExecutionTime=0,timeQuantum,flag=0,n;
    float totalWaitingTime=0;
    printf("Enter the Number of Process(max 20) : ");
    scanf("%d",&n); // n is the number of Process

78526Nasir

// First Come First Served computer scheduling Algorithm implementation in C!

#include <stdio.h>
#define max 20 /// fixed maximum size for array

main()
{
    int process,burstTime[max],waitingTime[max],averageWaitingTime=0,i,j;
    printf("Enter The Number of Process(Max 20) : ");
    scanf("%d",&process);

78526Nasir

/* This Program is for creating child process. It works only in Linux operating System.
 //To run this code in linux environment you need to follow the below steps:
 
   1. write cc and then put the '.c' "file location/address here" then press enter.
   2. write ./a.out to generate the output of the code.
   
*/
  

#include <stdio.h>

78526Nasir

/// Delete an elements from an array ///

#include <stdio.h>
main()
{
    int a[5]={1,2,3,4,5},n=5,pos,item,i,j;
    printf("Enter an position to delete an element:");
    scanf("%d",&pos);
    printf("Before deleting element :\n");
    for(i=0;i<n;i++)

78526Nasir

/// insert new elements into an array ///

#include <stdio.h>
main()
{
    int a[100],n,pos,item,i;
    printf("Enter how many elements :");
    scanf("%d",&n);
    printf("Enter %d elements values :",n);
    for(i=0;i<n;i++)

78526Nasir

/* ceiling and floor a number without using library function's */


#include<stdio.h>

int CEIL(double v)
{
    if(v-(int)v==0)    // check weather the float variable contains a integer value or not // 
        return v;
    else