控制台无法正常运行下去

输入1按回车后就弹出这个，也不知道是啥意思，求解答 感谢！

源码如下，球球了！

#include <iostream>
#include <cstring>
#include <stdlib.h>//调用其中随机函数
#include <time.h>
#include <stdio.h>
#include <fstream>
#include<string>

using namespace std;

#pragma warning( disable : 4996) 

int N = 100; //定义全局变量,表示试题库试题数量

//试题类型
class Shiti
{
public:
    char a[100];//定义一个数组
    int result;//记录每一道题的结果
};
//数字栈类（用于存数字栈的指针）
class Num
{
public:
    int* base, * top;//栈顶和栈底指针
    int size;//栈大小
};

//运算符栈类（存运算符栈的指针）
class Oper
{
public:
    char* base, * top;//栈顶栈底
    int size;//栈大小
};

//构造函数（数字）
int NumInitStack(Num* S1)
{
    S1->base = new int(100);
    if (!S1->base)//申请内存失败情况
    {
        cout << "申请内存失败!" << endl;
        return 0;
    }
    S1->top = S1->base;//栈顶栈底相同
    S1->size = 100;//大小为100
    return 1;
}

int OperInitStack(Oper* S2) //构造运算符栈（跟上面相同）
{
    S2->base = new char[100];
    if (!S2->base)
    {
        cout << "申请内存失败!" << endl;
        return 0;
    }
    S2->top = S2->base;
    S2->size = 100;
    return 1;
}

//得到数字栈栈顶元素
int NumGetTop(Num* S1)
{
    int e1;
    if ((*S1).top == (*S1).base)
        return 0;
    e1 = *((*S1).top - 1);
    return e1;
}

//得到运算符栈栈顶元素
char OperGetTop(Oper* S2)
{
    char e2;
    if ((*S2).top == (*S2).base)
        return 0;
    e2 = *((*S2).top - 1);
    return e2;
}

//数字和运算符压栈
void NumPush(Num* S1, int e1)
{
    *(*S1).top++ = e1;
}
void OperPush(Oper* S2, char e2)
{
    *(*S2).top++ = e2;
}

int NumPop(Num* S1) //数字栈弹栈
{
    int e1;
    //栈为空的情况
    if ((*S1).top == (*S1).base)
        return 0;
    e1 = *--(*S1).top;
    return e1;
}
char OperPop(Oper* S2) //运算符栈弹栈
{
    char e2;
    //栈为空的情况
    if ((*S2).top == (*S2).base)
        return 0;
    e2 = *--(*S2).top;
    return e2;
}
char Precede(char a, char b) //判断运算符优先级
{
    int i, j;
    char Table[8][8] = { {' ','+','-','*','/','(',')','='},
                        {'+','>','>','<','<','<','>','>'},
                        {'-','>','>','<','<','<','>','>'},
                        {'*','>','>','>','>','<','>','>'},
                        {'/','>','>','>','>','<','>','>'},
                        {'(','<','<','<','<','<','=',' '},
                        {')','>','>','>','>',' ','>','>'},
                        {'=','<','<','<','<','<',' ','='} }; //优先级表格

    for (i = 0; i < 8; i++)
        if (Table[0][i] == a) //纵坐标寻找
            break;

    for (j = 0; j < 8; j++) //横坐标寻找
        if (Table[j][0] == b)
            break;
    return Table[j][i];
}
//计算二元表达式的值
int Operate(int a, char theta, int b)
{
    int c;
    if (theta == '+')
        c = a + b;
    else if (theta == '-')
        c = a - b;
    else if (theta == '*')
        c = a * b;
    else
        c = a / b;
    return c;
}
//判断输入的字符ch是否为运算符
int IsOper(char ch)
{
    char ptr[7] = { '+','-','*','/','(',')','=' };
    int i;
    for (i = 0; i < 7; i++)
    {
        if (ch == ptr[i])
            return 1;
    }
    return 0;
}
//计算表达式的结果
int Result(char a[], Num* num, Oper* oper)
{
    char theta;
    int b, d, k = 0, i = 0, j = 0, num2 = 0;
    NumInitStack(num);  //构造数字栈
    OperInitStack(oper);  //构造运算符栈
    OperPush(oper, '=');  //将“=”压到栈底（作为一个计算完毕的条件）
    while (a[i] != '=' || OperGetTop(oper) != '=')
    {
        //对表达式a进行计算

        if (a[i] >= '0' && a[i] <= '9')
        {
            //字符是数字
            k++;
            if (k <= j)
            {
                num2 = a[i] - 48;
                i++;
            }
            if (k > j)
            {
                num2 = num2 * 10 + (a[i] - 48);
                k = j = 0;
                i++;
            }
            if (!IsOper(a[i]))
                k++;
            if (k == j)  //如果k等于j，说明下一个字符是运算符，即数字字符结束，压进数字栈
                NumPush(num, num2);
        }


        else if (IsOper(a[i]))
        {
            //字符是运算符
            switch (Precede(a[i], OperGetTop(oper)))    //←获取该运算符和栈顶运算符优先级
            {
                //该运算符和栈顶运算符进行优先级比较并做相关处理
            case '<':
                OperPush(oper, a[i++]);
                if (a[i] != '(' && a[i] != ')')
                    j++;
                break;
            case '=':
                OperPop(oper);
                i++;
                break;
            case '>':
                theta = OperPop(oper);  //运算符栈弹栈
                d = NumPop(num);  //数字栈弹栈
                b = NumPop(num);
                NumPush(num, Operate(b, theta, d));  //计算结果并压栈
                break;
            }
        }
    }

    return (NumGetTop(num));  //返回最终计算结果
}

char getOp(bool innerIsZero)
{
    char ops[] = { '+','-','*','/' };
    return innerIsZero ? ops[rand() % 3] : ops[rand() % 4];//判定括号内数字是否为0，为零则左括号前符号不能为除号
}
char getOd(bool preIsDiv)
{
    char ods[] = { '1','2','3','4','5','6','7','8','9','0' };
    return preIsDiv ? ods[rand() % 8] : ods[rand() % 9];
}
int FunOpes(string c)
{
    int a, b;
    char op;
    char str[3];
    c.copy(str, 3, 0);
    a = str[0] - 48;
    b = str[2] - 48;
    op = str[1];
    if (op == '+') return a + b;
    if (op == '-') return a - b;
    if (op == '*') return a * b;
    if (op == '/') return a / b;
    return 0;
}
//产生试题库
void Build()
{
    string b(9, ' ');//随机产生表达式长度最大为9
    ofstream out1("D:\\shitikudifficult.txt");
    if (!out1.is_open())cout << "难易程度为困难的试题库打开失败";
    srand((unsigned)time(NULL));
    for (int i = 0; i < N; i++) {
        int left = 2;//随机产生左括号位置，最大下标4
        int right = left + 4;
        b[left] = '(';
        b[right] = ')';
        b[(static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(left) + right) / 2] = getOp(false);
        b[static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(left) + 1] = getOd(true);
        b[static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(right) - 1] = getOd(true);
        if ((b[static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(left) + 1] - 48) % (b[static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(right) - 1] - 48) != 0 && (b[(static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(left) + right) / 2] == '/')) { i--; continue; }
        string inner = b.substr(3, 3);//子串，括号内容
        bool innerIsZero = FunOpes(inner) == 0 ? true : false;//FunOpes计算string表示的式子，返回计算结果
        b[static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(left) - 1] = getOp(innerIsZero);
        b[0] = getOd(false);
        if (b[static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(left) - 1] == '/' && ((b[0] - 48) % FunOpes(inner) != 0)) { i--; continue; }
        b[7] = getOp(innerIsZero);
        bool preIsDiv = b[7] == '/' ? true : false;
        b[8] = getOd(true);
        if (b[7] == '/' && (FunOpes(inner) % (b[8] - 48) != 0)) { i--; continue; }
        out1 << b << "=" << "\n";
    }
    out1.close();
    return;
}
//随机选取n个题目，将题号保存在数组a中
void Select(int n, int a[])
{
    srand((int)time(0));
    int i, j, t;
    a[0] = rand() % N;  //产生0-N之间的随机数并记录
    for (i = 1; i < n; i++)
    {
        t = rand() % N;
        for (j = 0; j < i; j++)
        {
            if (a[j] == t)
                break;
        }
        if (j == i)
            a[i] = t;
        else
            i--;
    }
}

//求平均成绩
void Avescore()
{
    FILE* fp1, * fp2;
    int sum = 0, i = 0, s, a;
    if (!(fp1 = fopen("D:\\score.txt", "r")))
    {
        cout << "无法打开成绩信息文件！";
        exit(-1);
    }
    //读出所有的历史成绩并求和
    while (!feof(fp1))
    {
        fscanf_s(fp1, "%d", &s);
        sum += s;
        i++;  //记录成绩个数
    }
    fclose(fp1);
    a = sum / i;
    if (!(fp2 = fopen("D:\\average.txt", "w")))
    {
        cout << "无法创建或者无法打开平均成绩文件！" << endl;
        exit(-1);
    }
    fprintf(fp2, "%d", a);  //将平均值写入文件中
    fclose(fp2);
}

void DoExercise(Shiti a[])  //做题
{
    system("cls");
    cout << "\t\t******好好学习 天天向上******\n\n";
    int n, i, r, k = 0, score, ave;
    FILE* fp, * fp1;
    cout << "请输入要做几道题：";
    cin >> n;
    int t[100];
    Select(n, t);  //调用Xuanti函数从试题库中随机抽取n道题目
    for (i = 0; i < n; i++)
    {
        cout << endl << "第" << i + 1 << "道题：";
        cout << a[t[i]].a;
        cin >> r;
        if (a[t[i]].result == r)
        {
            k++;
            cout << "答案正确！" << endl;
        }
        else
        {
            cout << "答案错误！正确答案为：" << a[t[i]].result;
        }
    }
    score = 100 * k / n;
    cout << endl << "本次得分：" << score << endl;  //输出本次做题所得的分数并进行评价
    if (score >= 90)
        cout << "优秀，继续保持！" << endl;
    else if (score >= 80)
        cout << "良好，还需努力！" << endl;
    else if (score >= 70)
        cout << "一般，继续加油！" << endl;
    else if (score >= 60)
        cout << "及格，多多努力！" << endl;
    else
        cout << "糟糕，不及格，该好好学习了！" << endl;
    if (!(fp = fopen("D:\\score.txt", "a")))
    {
        cout << "无法建立或者无法打开成绩信息文件！" << endl;
        exit(-1);
    }
    fprintf(fp, " %d", score);  //将本次成绩写入文件
    fclose(fp);
    Avescore();
    if (!(fp1 = fopen("D:\\average.txt", "r")))
    {
        cout << "无法创建或者无法打开平均成绩文件！" << endl;
        exit(-1);
    }
    fscanf_s(fp1, "%d", &ave);  //读出之前成绩的平均成绩
    fclose(fp1);
    if (score > ave)
        cout << endl << "成绩较以前相比有所进步，继续努力！" << endl;
    else if (score < ave)
        cout << endl << "成绩较以前相比退步了，要多多练习，不要气馁！！" << endl;
    else
        cout << endl << "成绩与以前持平" << endl;
}
void History()  //输出历史成绩
{
    FILE* fp, * fp1;
    int s, a;
    if (!(fp = fopen("D:\\score.txt", "r")))
    {
        cout << "无法打开成绩信息文件！" << endl;
        exit(-1);
    }
    cout << "历史成绩显示如下：" << endl;
    while (!feof(fp))
    {
        fscanf_s(fp, "%d", &s);
        cout << s << endl;
    }
    fclose(fp);
    if (!(fp1 = fopen("D:\\average.txt", "r")))
    {
        cout << "无法打开平均成绩文件！" << endl;
        exit(-1);
    }
    fscanf_s(fp1, "%d", &a);
    cout << "平均为：" << a << endl << endl;
    fclose(fp1);
}
int menu()  //菜单函数
{
    int a;
    do
    {
        system("cls");//清屏
        cout << "\t\t******好好学习天天向上******\n\n";
        cout << "\t\t      1.做题\n";
        cout << "\t\t      2.查看历史成绩\n";
        cout << "\t\t      3.退出系统\n\n";
        cout << "\t\t****************************\n";
        cout << "\t\t请选择：";
        cin >> a;
    } while (a < 1 || a>3);
    return a;
}
int main()
{
    FILE* Fp;
    int i;
    char c;
    Shiti s[100 + 1]{};
    Num num;
    Oper oper;
    if (!(Fp = fopen("D:\\shitiku.txt", "r")))  //如果试题库文件不存在，则建立试题库
    {
        cout << "\t******欢迎使用******\n\n";
        cout << "\t程序第一次运行，尚无试题库，请先建立试题库！\n\n\t";
        system("pause");
        Build();
        cout << "成功建立试题库！";
        system("pause");
    }
    while (1)
    {
        switch (menu())
        {
        case 1:
            do {

                Fp = fopen("D:\\shitiku.txt", "r");
                for (i = 0; i < N; i++)
                {
                    fscanf_s(Fp, "%s", s[i].a);
                    s[i].result = Result(s[i].a, &num, &oper);
                }
                fclose(Fp);
                DoExercise(s);
                break;

                cout << "\n是否继续做题？y-是，n-否：";
                cin >> c;
            } while (c != 'n' && c != 'N');
            break;
        case 2:
            History();  //输出成绩
            system("pause");
            break;
        case 3:
            cout << "\n\t欢迎使用，再见！\n\n\t";
            exit(0);  //退出系统
        }
    }
    return 0;
}

大哥，你得把源码放出来吧

是不是什么被占用

比如你要打开文件
然后你用记事本已经打开了