using System;

namespace ConsoleApplication1
{

class Addition
{

[STAThread]

static void Main(string[] args)
{
string firstNumber;
string secondNumber;
string sum1;
int number1;
int number2;
int sum;
Console.Write("");
firstNumber=Console.ReadLine();
secondNumber=Console.ReadLine();
number1=Int32.Parse(firstNumber);
number2=Int32.Parse(secondNumber);
sum=number1+number2;
Coneole.Writeling("sum1");
sum1=console.Readline();
}
if(sum1==sum)
return("You are right!:");
else return("You are wrong:");
}

}

using System;

namespace ConsoleApplication1
{

class Addition
{

[STAThread]

static void Main(string[] args)
{
string firstNumber;
string secondNumber;
string sum1;
int number1;
int number2;
int sum;
Console.Write("");
firstNumber=Console.ReadLine();
secondNumber=Console.ReadLine();
number1=Int32.Parse(firstNumber);
number2=Int32.Parse(secondNumber);
sum=number1+number2;
Console.WriteLine(sum);
Console.Write("sum1:");
sum1=Console.ReadLine();
if(sum1==sum.ToString())
Console.WriteLine("You are right!:");
else
Console.WriteLine("You are wrong:");
}
}
}

应该是这个意思吧

我在写程序时会用到结构体，包括结构体的嵌套！
但如果嵌套的结构体引用是很麻烦，比喻：
struct a
{
int studentnumber;
````
`````
}

struct b
{
struct a 001;
`````
`````
}

struct c
{
struct b 002;
````
````
}student;
scanf("%d",&student.b.a.studentnumber);
这样很麻烦，有没有什么办法？