static void Main(string[] args)
{
Joint joint = new Joint();
List <string> list = new List <string>();
List <string> resultList = new List <string>();
string temp = null;
RandomCollection randomCollection = new RandomCollection();
Unitl unitl = new Unitl();
Console.WriteLine("请输入生成条数:");
int n = Convert.ToInt32(Console.ReadLine());
while (true)
{
if (n == 0)
{
break;
}
list = joint.craeteEqual(randomCollection.randomInt(2, 4));
temp = string.Join("", list.ToArray());
Calculator calculator = new Calculator(list);
int result = calculator.run();
if (result != -1)
{
resultList.Add(temp + "=" + result.ToString());
n--;
}
}
unitl.writeTxt(resultList);
}
public Calculator(List <string> equalString)
{
this.equalString = equalString;
Stack <Expression> stack = new Stack <Expression>();
Expression left = null;
Expression right = null;
Unitl unitl = new Unitl();
equalString = unitl.delMulAndDiv(equalString);
Console.WriteLine(string.Join("", equalString.ToArray()));
for (int i = 0; i < equalString.Count(); i++)
{
switch (equalString[i])
{
case "+":
left = stack.Pop();
right = new VarExpression(++i);
stack.Push(new AddExpression(left, right));
break;
case "-":
left = stack.Pop();
right = new VarExpression(++i);
stack.Push(new SubExpression(left, right));
break;
case "*":
left = stack.Pop();
right = new VarExpression(++i);
stack.Push(new MulExpression(left, right));
break;
case "/":
left = stack.Pop();
right = new VarExpression(++i);
stack.Push(new DivExpression(left, right));
break;
default:
stack.Push(new VarExpression(i));
break;
}
}
this.expression = stack.Pop();
}