public MyNumber OneStepCalculate(MyNumber num1, MyNumber num2, int opera)
{
if (opera == 101)
{
return(num1 + num2);
}
else if (opera == 102)
{
return(num1 - num2);
}
else if (opera == 103)
{
return(num1 * num2);
}
else if (opera == 104)
{
return(num1 / num2);
}
else if (opera == 105)
{
return(num1 ^ num2);
}
else
{
MyNumber error = new MyNumber(-1);
return(error);
}
}
/*要求用户输入答案并与结果比较*/
public int GetResult(MyNumber res, string yourans)
{
int formflag = CheckYourAnswer(yourans); //判断答案格式是否正确
if (formflag == 1)
{
//sign代表答案符号，ansnum[0]为分子，[1]为分母
int[] ansnum = new int[] { 0, 1 };
int sign = TurnToNumber(yourans, ansnum);
if (ansnum[1] != 0) //判断分母是否为0
{
MyNumber yourres = new MyNumber(ansnum[0], ansnum[1], sign);
if (yourres == res)
{
return(1);
}
//cout << "Right" << endl;
else
{
return(0);
}
//cout << "Wrong" << endl;
}
else
{
return(0);
}
}
else
{
return(3);
}
}
public NumNode(MyNumber value)
{
this.type = 1;
this.value = value;
this.left = null;
this.right = null;
}
public static MyNumber operator +(MyNumber a, MyNumber b)
{
MyNumber c = new MyNumber();
c.numerator = a.numerator * b.denominator + a.denominator * b.numerator;
c.denominator = a.denominator * b.denominator;
return(c);
}
public static MyNumber operator *(MyNumber a, MyNumber b)
{
MyNumber c = new MyNumber
{
numerator = a.numerator * b.numerator,
denominator = a.denominator * b.denominator
};
return(c);
}
public static MyNumber operator ^(MyNumber a, MyNumber b)
{
MyNumber c = new MyNumber(1);
for (int i = 0; i < b.numerator; i++)
{
c = c * a;
}
return(c);
}
private void button2_Click(object sender, EventArgs e)
{
if (ansText.Text == "")
{
ansText.Focus();
return;
}
Ans ans = new Ans();
TreeList[onequestion].getroot().value.Reduction();//对分子分母进行化简
MyNumber correctAnswer = TreeList[onequestion].getroot().value;
int ansflag = ans.GetResult(correctAnswer, this.ansText.Text);
string correctAnswerStr = correctAnswer.M_ToString();
if (ansflag == 1)
{
timer1.Stop();
MessageBox.Show("回答正确\n");
timer1.Start();
score++;
scoreText.Text = "得分：" + score.ToString();
this.ansText.Text = "";
totalTime = 20;
}
else if (ansflag == 0)
{
timer1.Stop();
MessageBox.Show("回答错误\n" + "正确答案是：" + correctAnswerStr);
timer1.Start();
chance = chance - 1;
if (chance <= 0)
{
re.Visible = true;
record.Visible = true;
ansText.Visible = false;
button2.Visible = false;
timerText.Visible = false;
scoreText.Visible = false;
hp.Visible = false;
history.Visible = false;
label1.Visible = false;
timer1.Stop();
reto.Visible = false;
MessageBox.Show("很遗憾，您的错误次数过多\n请点击确定查看您的答题情况");
MessageBox.Show("您一共答对" + score + "道题，答错10道题\n请继续加油喔");
Application.Exit();
}
hp.Text = "剩余机会：" + chance.ToString();
this.ansText.Text = "";
totalTime = 20;
}
else
{
timer1.Stop();
MessageBox.Show("请输入正确的答案格式");
timer1.Start();
this.ansText.Text = "";
this.ansText.Focus();
}
record.Text += StrList[onequestion] + "=" + correctAnswerStr + "\r\n";
onequestion++;//题目加1
button1_Click(null, null);
}