Question

Se citeste un vector cu n numere intregi:
a)sa se calculeze suma nr prime din vector;
b)sa se verifice daca vectorul contine numere nule;

Answer 1

a)
#include <iostream>

using namespace std;

int main()
{
    int n, i, d, s=0, v[30];
    cin>>n;
    for(i=1; i<=n; i++)
        cin>>v[i];
        for(i=1; i<=n; i++)
        {
            int x=0;
            for(d=2; d<=v[i]/2; d++)
            if(v[i]%d==0)
            x++;
        if(x==0)
            s=s+v[i];
        }

    cout << s;
    return 0;
}

b)
#include <iostream>

using namespace std;

int main()
{
    int n, i, d, x=0, v[30];
    cin>>n;
    for(i=1; i<=n; i++)
        cin>>v[i];
        for(i=1; i<=n; i++)
            if(v[i]==0)
            x++;
        if(x!=0)
    cout << "Exista numere nenule in sir";
    else
        cout<<"Nu exista numere nenule in sir";
    return 0;
}