Finding Largest Prime number from a array in C

#include<stdio.h>
void main()
{
     int i,j,n,a[15],count=0,b;
     printf("Enter the size of array:\n");
     scanf("%d",&n);
     printf("Enter the array element :\n");
     for(i=0;i<n;i++)
     scanf("%d",&a[i]);
     for(i=0;i<n;i++)
     {
        for (j = i + 1; j < n; ++j)
            {
            if (a[i] < a[j])

                {
                    b = a[i];

                    a[i] =a[j];

                    a[j] = b;
                }
            }
        }
    for(i=0;i<n;i++)
    {
        for(j=2;j<a[i]/2;j++)
        {
           if(a[i]%j==0)
           count=1;
           else
           count=0;

        }
        if(count==0)
        {
            printf("largest prime number is:%d",a[i]);
            break;
        }
    }


}

Comments

JAVA program of showing the student marksheet

package june13; import java.util.Scanner; public class student { int roll; String name; String email; int hindi,english,physics,chemistry,maths; void input_details(){ System.out.println("please enter the following details "); Scanner sc= new Scanner(System.in); System.out.println("enter the roll number "); roll=sc.nextInt(); System.out.println("enter the name of student "); name=sc.next(); System.out.println(" enter the email"); email=sc.next(); System.out.println(" enter the marks of hindi "); hindi=sc.nextInt(); System.out.println("enter the marks of english "); english=sc.nextInt(); System.out.println(" enter the marks of physics ");; physics=sc.nextInt(); System.out.println(" enter the marks of chemistry "); chemistry=sc.nextInt(); System.out.println("enter the marks of maths "); maths=sc.nextInt(); ...

Program of Making a simple calculator using java swing

import javax.swing.*; import java.awt.event.*; class Calc implements ActionListener { JFrame f; JTextField t; JButton b1,b2,b3,b4,b5,b6,b7,b8,b9,b0,bdiv,bmul,bsub,badd,bdec,beq,bdel,bclr; static double a=0,b=0,result=0; static int operator=0; Calc() { f=new JFrame("Calculator"); t=new JTextField(); b1=new JButton("1"); b2=new JButton("2"); b3=new JButton("3"); b4=new JButton("4"); b5=new JButton("5"); b6=new JButton("6"); b7=new JButton("7"); b8=new JButton("8"); b9=new JButton("9"); b0=new JButton("0"); b...

C Program to find next larger number from a given array from target number

Here is Program: #include<stdio.h> #include<stdlib.h> void sort(int arr[] ,int n) { int i,j,temp; for (i = 0 ; i < ( n - 1 ); i++) { for (j = i+1 ; j <( n - 1); j++) { if (arr[i] > arr[j]) { temp = arr[i]; arr[i] = arr[j]; arr[j] = temp; } } } } int main() { int a[] = {2,11,11,6,80}; int i, num1 = 8; sort(a,5); for(i=0;i<sizeof(a)/sizeof(a[i]);i++) { if(a[4]<num1) { ...

Technology

Search This Blog