مساعده في مادة ++c

[mylife079]

write a function that recives an integer number and return true if it is a prime number and false otherwise.


اكتب اقتران يستقبل رقم من نوع int وبرجع true اذا الرقم اولي false اذا غير ذلك

[mylife079]

write a function that recives 2 integer numbers and print the prime numbers between them.

[mylife079]

write a void function named swap that recives 2 integer and swap them.

[تحية عسكريه]

اه اوكي عرفتها عندي كتاب كامل بالعربي سي بلس بلس

[Sc®ipt]

write a function that recives an integer number and return true if it is a prime number and false otherwise.


اكتب اقتران يستقبل رقم من نوع int وبرجع true اذا الرقم اولي false اذا غير ذلك

#include <iostream>

bool isPrime(int x)
{
        int max = static_cast <int> (x); 
        if (x <= 0 || x == 1 || (x % 2 == 0 && x != 2)) return false;
        for (int i = 3; i < max; i += 2)
            if (x % i == 0)
                return false;
        return true;
}

int main ()
{
    for (int i = 2; i < 100; i++)
        if (isPrime(i))
            std::cout << i << " is a prime number!" << std::endl;
            
    std::cin.get();
    return EXIT_SUCCESS;
} 

[Sc®ipt]

write a function that recives 2 integer numbers and print the prime numbers between them.

#include <iostream.h>
void primes(int initial, int final);
void main()
{
    int  initial, final;
    cout << "Enter initial value: ";
    cin >> initial;
    cout << "Enter final value: ";
    cin >> final;
    cout << endl <<"Prime nummbers between " << initial << " and " << final << " are: " << endl << endl;
    primes(initial,final);
}
int rem;
void primes(int initial, int final)
{
    for ( int a=initial; a<=final ; a++ )
    {
        bool numisprime = 1;

        for (int i=2 ; i < a ; i++ )
        {
            rem = a%i;
            if (rem==0)
            {
            numisprime = 0;
            }
        }
       
    if (numisprime!=0)
        cout << a << endl;
    }
} 

[صديقه بنت الشديفات]

write c++ program contains afunction called sum
that receives an integer number of any length and return the sum of digits that is multiple of 3 only
then call your function from main function

[Sc®ipt]

write a void function named swap that recives 2 integer and swap them.

#include <iostream.h>

void swap(int x, int y);

void main()
{
    int n1,n2;
    cin>>n1;
    cin>>n2;
    cout<<x<<endl<<y<<endl;
    swap(n1,n2);
}

void swap(int x, int y)
{
    int temp;
    temp = x;
    x = y;
    y = temp;
    cout<<x<<endl<<y<<endl;
} 

[mylife079]

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