/*写一个随机产生数学题，你计算出答案的程序*/
using System;
namespace test {
public class test{
/*判断是否正确*/
public static bool fun1(int[] randoms,int readLine_info)
{
int right_result = randoms[0] + randoms[1];
if (readLine_info == right_result)
return true;
else
{
return false;
}
}
/*产生两个随机的整数*/
public static int[] fun2() {
int[] randoms = new int[2];
int x, y;
Random ran = new Random();
x = ran.Next(1, 100);
y = ran.Next(1, 100);
randoms[0] = x;
randoms[1] = y;
Console.WriteLine(x + " + " + y + " = ?");
return randoms;
}
public static void Main()
{
bool result = false;
while (result) {
int readLine_info;
int[] randoms = fun2();
Console.WriteLine("+");
//string转int，使用int.Parse(str)，高效不抛异常
readLine_info = int.Parse(Console.ReadLine());
fun1(randoms, readLine_info);
if (result == true)
break;
}
}
}
}