составить программу на C# в Windows.Forms и подскажите какие компоненты вставить
Дана масса в килограммах. Найти число полных центнеров в ней.

#include <iostream>
#include <cmath>
using namespace std;

void main() 
{
int n,sum=0; 
float y,k=0; 
cin >> n; 
int *mass = new int[n]; 
for (int i = 0;i < n;++i) 
{
cin >> mass[i]; 
} 
for (int i = 0;i < n;++i) 
{ 
if (mass[i] >0 )
{
k++;
y=pow(mass[i],2); 
cout<<y;
sum+=mas[i]
}
} 
system("pause"); 
}

2)#include <iostream>
#include <cmath>
using namespace std;

void main() 
{
int s,p,r,day=0;
cin >> s>>p>>r;
float km=s;
while(r>km)
{
km+=km*p/100;
day++;
}
cout << " km = " << km << " day = " << day << endl;
system ("pause");
}

//1

 <script type="text/javascript">
   var ans=prompt('Name a vegetable that is green on the outside and  white on the inside. It starts with C.','answer');
   if(ans=='Cucumber')
         alert('Congratulations, answer is right!');
         else
        alert('Wrong answer');
   alert('Game over');
 </script>

//2
 <script type="text/javascript">
   var count=0;
   var ans=prompt('Name a vegetable that is green on the outside and  white on the inside. It starts with C.','answer');
   if(ans=='Cucumber')
         count=count+1;
   ans=prompt('Name a tiny, round green vegetable that grows in pods. It starts with P. Children like it.','answer');
   if(ans=='Peas')
         count=count+1;
   ans=prompt('What goes up when the rain comes down?','answer');
   if(ans=='Umbrella')
         count=count+1;
   ans=prompt('I am purple, yellow, red,/and green./The King cannot reach me and neither can the Queen./I show my colours after the rain,/And only when the sun comes out again.','answer');
   if(ans=='Rainbow')
         count=count+1;
   alert('Count of right answers:'+count);
   alert('Game over');
 </script>