Question

Va rog ajutați-mă la cele trei exerciti.....

Answer 1

9.
#include <iostream>
using namespace std;

int main()
{
int v[200],n,p=1,a=0;
cin>>n;
for(int i=1;i<=n;i++)
cin>>v[i];
for(int i=1;i<=n;i=i+2)
if(v[i]<0)
{
p=p*v[i];
a++;
}
cout<<"Produsul="<<p;
cout<<" a "<<a<<" numere";
}

10.
#include <iostream>
using namespace std;

int main()
{
int v[200],n,x;
cin>>n;
for(int i=1;i<=n;i++)
cin>>v[i];
for(int i=n;i>=1;i--)
if(v[i]>0)
{
x=v[i];
}
cout<<x;
}

11.
#include <iostream>
using namespace std;

int main()
{
int v[200],n,u,y[200],k=0;
cin>>n;
cin>>u;
for(int i=1;i<=n;i++)
cin>>v[i];
for(int i=1;i<=n;i++)
if(v[i]>0)
{
if(k<=u)
{
y[k]=v[i];
k=k+1;
}
}
for(int i=1;i<=u;i++)
cout<<y[i]<<',';
}