Răspuns :
1) #include<iostream.h>
using namespace std;
int main()
{int n, i, x, s=0, p=1;
cout<<"n="; cin>>n;
for(i=1; i<=n; i++)
{cin>>x;
if (x%2==0)
s=s+x;
else
p=p*x;
}
cout<<"s="<<s<<endl;
cout<<"p="<<p<<endl;
return 0;
}
4) #include<iostream.h>
using namespace std;
int main()
{ int x,y, s=0, p=1;
cout<<"x="; cin>>x;
cout<<"y="; cin>>y;
if (x%2==0 && y%2==0)
s=x+y;
else
p=x*y;
cout<<"s="<<s<<endl;
cout<<"p="<<p<<endl;
return 0;
}
5) #include<iostream.h>
using namespace std;
int main()
{ int x,s=0,r;
cout<<"x="; cin>>x;
while (x!=0)
{r=x%10;
if (r%2==0)
s=s+r;
x=x/10;
}
cout<<"s="<<s<<endl;
return 0;
}
6) #include<iostream.h>
using namespace std;
int main()
{ int x,p=1,r;
cout<<"x="; cin>>x;
while(x!=0)
{r=x%10;
if(r%2==1)
p=p*r;
x=x/10;
}
cout<<"p="<<p<<endl;
return 0;
}
7) #include<iostream.h>
using namespace std;
int main()
{ int n,p=0,i=0;
cin>>n;
while(n!=0)
{if(n%2==0)
p++;
else
i++;
cin>>n;
}
cout<<"S-au citit "<<p<<" numere pare."<<endl;
cout<<"S-au citit "<<i<<" numere impare."<<endl;
return 0;
}
2) #include<iostream.h>
using namespace std;
int main()
{int a,b,i,aux;
cout<<"a="; cin>>a;
cout<<"b="; cin>>b;
if(a>b)
{aux=a;
a=b;
b=aux;
}
for(i=a; i<=b; i++)
{if(i%3==0)
cout<<i<<" ";
}
return 0;
}
using namespace std;
int main()
{int n, i, x, s=0, p=1;
cout<<"n="; cin>>n;
for(i=1; i<=n; i++)
{cin>>x;
if (x%2==0)
s=s+x;
else
p=p*x;
}
cout<<"s="<<s<<endl;
cout<<"p="<<p<<endl;
return 0;
}
4) #include<iostream.h>
using namespace std;
int main()
{ int x,y, s=0, p=1;
cout<<"x="; cin>>x;
cout<<"y="; cin>>y;
if (x%2==0 && y%2==0)
s=x+y;
else
p=x*y;
cout<<"s="<<s<<endl;
cout<<"p="<<p<<endl;
return 0;
}
5) #include<iostream.h>
using namespace std;
int main()
{ int x,s=0,r;
cout<<"x="; cin>>x;
while (x!=0)
{r=x%10;
if (r%2==0)
s=s+r;
x=x/10;
}
cout<<"s="<<s<<endl;
return 0;
}
6) #include<iostream.h>
using namespace std;
int main()
{ int x,p=1,r;
cout<<"x="; cin>>x;
while(x!=0)
{r=x%10;
if(r%2==1)
p=p*r;
x=x/10;
}
cout<<"p="<<p<<endl;
return 0;
}
7) #include<iostream.h>
using namespace std;
int main()
{ int n,p=0,i=0;
cin>>n;
while(n!=0)
{if(n%2==0)
p++;
else
i++;
cin>>n;
}
cout<<"S-au citit "<<p<<" numere pare."<<endl;
cout<<"S-au citit "<<i<<" numere impare."<<endl;
return 0;
}
2) #include<iostream.h>
using namespace std;
int main()
{int a,b,i,aux;
cout<<"a="; cin>>a;
cout<<"b="; cin>>b;
if(a>b)
{aux=a;
a=b;
b=aux;
}
for(i=a; i<=b; i++)
{if(i%3==0)
cout<<i<<" ";
}
return 0;
}