/\*sum upto n numbers\*/
public static int Sum(int n)
{
int result = 0;
for (int i = 1; i <= n; ++i)
result += i;
return result;
}
/\*sum upto n numbers\*/
public static int Sum(int n)
{
int result = 0;
for (int i = 1; i <= n; ++i)
result += i;
return result;
}