四则运算之结对开发

本次实验是在四则运算2的基础上继续开发，除了之前的要求外，添加了用户作答、判断回答是否正确、输出用户答对题数。
结对开发伙伴：
程思敏博客名：鹏程万里之思博客链接： http://www.cnblogs.com/pengchengwanli/
一：设计思路
1.根据要求（是否有乘除法；是否有括号（最多可以支持十个数参与计算）；加减有无负数；除法有无余数。），可以将程序分成12种选择；
2.按照12种选择分别进行代码设计；
3.按运算数将算式划分，构造运算数结构体（包括left2,left1,member,right1,right2,fuhao即最外层左括号，内层左括号，运算数，内层右括号，外层右括号，运算符）；
4.用随机数产生左右括号的位置及运算数，如果遇到形如：a/b/c的运算式，统一将a/b用括号括起来，即产生（a/b）/c;
5.在每种选择中用for循环调用计算函数得出运算式的结果；
6.判断运算结果是否超过规定的上限；
7.每次循环中调用输出算式函数；
8.每次循环中调用用户输入运算结果函数；
9.调用判断函数对用户输入结果与标准答案是否一致进行判断，若一致则计数加1，否则继续下一道题；
10.输出最终结果。
二：代码
#include<iostream>
#include<string>
#include<ctime>
#define N 100
using namespace std;
 
//构造四则运算的结构体
struct  arithmetic
{
    string left2;//第二层（外层）左括号
    string left1;//第一层（内层）左括号
    int member;//运算数
    string right1;//第一层（内层）右括号
    string right2;//第二层（外层）右括号
    string fuhao;//运算符
};
//构造出题的结构体
struct subject
{
    arithmetic arith[10];
};
//构造运算式结构体把算式存入字符串
struct Formula
{
    string str;
    int data;
};
int length=0;//运算数个数
int fuh;//表示运算符的数（0、1、2、3分别代表+、-、*、/）
subject sub[N];//所有算式
int lpoint1;//内层左括号的位置
int rpoint1;//内层右括号的位置
int lpoint2;//外层左括号的位置
int rpoint2;//外层右括号的位置
Formula Formul[N];  //定义一个字符串数组
int Flength ;   //字符串数组长度
int i, j;
int Result; //算式的运算结果
 
//顺序栈数值栈的定义
typedef struct
{
    int *base;
    int *top;
    int stacksize;
}SqStack;
SqStack OPND;
//顺序栈数值栈的初始化
bool InitStack(SqStack &OPND)
{
    OPND.base = new int[N];
    if (!OPND.base)
    {
        exit(OVERFLOW);
    }
    OPND.top = OPND.base;
    OPND.stacksize = N;
    return true;
}
//数值栈入栈
bool Push(SqStack &OPND, int &e)
{
    if (OPND.top - OPND.base == OPND.stacksize)
    {
        return false;
    }
    *OPND.top++ = e;
    return true;
}
//数值栈出栈
bool Pop(SqStack &OPND, int &e)
{
    if (OPND.top == OPND.base)
    {
        return false;
    }
    e = *--OPND.top;
    return true;
}
//数值栈取栈顶元素
int GetTop(SqStack OPND)
{
    if (OPND.top == OPND.base)
    {
        exit(1);
    }
    return *(OPND.top - 1);
}
 
//顺序栈符号栈的定义
typedef struct
{
    string *fubase;
    string *futop;
    int fustacksize;
}fuSqStack;
fuSqStack OPTR;
//顺序栈符号栈的初始化
bool fuInitStack(fuSqStack &OPTR)
{
    OPTR.fubase = new string[N];
    if (!OPTR.fubase)
    {
        exit(OVERFLOW);
    }
    OPTR.futop = OPTR.fubase;
    OPTR.fustacksize = N;
    return true;
}
//符号栈入栈
bool fuPush(fuSqStack &OPTR, string e)
{
    if (OPTR.futop - OPTR.fubase == OPTR.fustacksize)
    {
        return false;
    }
    *OPTR.futop++ = e;
    return true;
}
//符号栈出栈
bool fuPop(fuSqStack &OPTR, string &e)
{
    if (OPTR.futop == OPTR.fubase)
    {
        return false;
    }
    e = *--OPTR.futop;
    return true;
}
//符号栈取栈顶元素
string fuGetTop(fuSqStack OPTR)
{
    if (OPTR.futop == OPTR.fubase)
    {
        exit(1);
    }
    return *(OPTR.futop - 1);
}
 
//将算式转化为string数组
void ToString(subject sub,int length,Formula Formul[],int &Flength)
{
    Flength = -1;
    for (j = 0; j < length; j++)
    {
        if (sub.arith[j].left2 != "")
        {
            Flength += 1;
            Formul[Flength].str = sub.arith[j].left2;
        }
        if (sub.arith[j].left1 != "")
        {
            Flength += 1;
            Formul[Flength].str = sub.arith[j].left1;
        }
        Flength += 1;
        Formul[Flength].str = to_string(sub.arith[j].member);
        Formul[Flength].data = sub.arith[j].member;
        if (sub.arith[j].right1 != "")
        {
            Flength += 1;
            Formul[Flength].str = sub.arith[j].right1;
        }
        if (sub.arith[j].right2 != "")
        {
            Flength += 1;
            Formul[Flength].str = sub.arith[j].right2;
        }
        if (sub.arith[j].fuhao != "")
        {
            Flength += 1;
            Formul[Flength].str = sub.arith[j].fuhao;
        }
    }
}
 
//比较优先级
string Precede(string Fuhao1, string Fuhao2)
{
    string FuResult;    //返回优先级关系">"、"<"、"="
    if (Fuhao1 == "+")
    {
        if (Fuhao2 == "+" || Fuhao2 == "-" || Fuhao2 == ")" || Fuhao2 == "#")
        {
            FuResult = ">";
        }
        else
        {
            FuResult = "<";
        }
    }
    if (Fuhao1 == "-")
    {
        if (Fuhao2 == "+" || Fuhao2 == "-" || Fuhao2 == ")" || Fuhao2 == "#")
        {
            FuResult = ">";
        }
        else
        {
            FuResult = "<";
        }
    }
    if (Fuhao1 == "*")
    {
        if (Fuhao2 == "(")
        {
            FuResult = "<";
        }
        else
        {
            FuResult = ">";
        }
    }
    if (Fuhao1 == "/")
    {
        if (Fuhao2 == "(")
        {
            FuResult = "<";
        }
        else
        {
            FuResult = ">";
        }
    }
    if (Fuhao1 == "(")
    {
        if (Fuhao2 == ")")
        {
            FuResult = "=";
        }
        else
        {
            FuResult = "<";
        }
    }
    if (Fuhao1 == ")")
    {
        FuResult = ">";
    }
    if (Fuhao1 == "#")
    {
        if (Fuhao2 == "#")
        {
            FuResult = "=";
        }
        else
        {
            FuResult = "<";
        }
    }
    return FuResult;
}
 
//两个数运算
int Operate(int num1, string theta, int num2)
{
    int InResult;   //返回运算结果
    if (theta == "+")
    {
        InResult = num1 + num2;
    }
    else if (theta == "-")
    {
        InResult = num1 - num2;
    }
    else if (theta == "*")
    {
        InResult = num1*num2;
    }
    else
    {
        InResult = num1 / num2;
    }
    return InResult;
}
 
//表达式求值
int ValueResult(subject sub,int length)
{
    int i;
    Flength = 0;
    string PResult; //优先级比较结果
    string theta;   //出栈符号
    int num1, num2; //出栈运算数
    ToString(sub, length, Formul, Flength);
    Formul[Flength].str = "#";
    InitStack(OPND);
    fuInitStack(OPTR);
    fuPush(OPTR,"#");
    for (i = 0; i <= Flength; i++)
    {
        if (Formul[i].str == "#")
        {
            while (*OPTR.futop != "#")
            {
                PResult = Precede(fuGetTop(OPTR), Formul[i].str);
                if (PResult == ">")
                {
                    fuPop(OPTR, theta);
                    Pop(OPND, num2);
                    Pop(OPND, num1);
                    int num3 = Operate(num1, theta, num2);
                    Push(OPND, num3);
                }
                else if (PResult == "<")
                {
                    fuPush(OPTR, Formul[i].str);
                }
                else
                {
                    fuPop(OPTR, theta);
                }
            }
        }
        else if (Formul[i].str == "(" || Formul[i].str == ")" || Formul[i].str == "+" || Formul[i].str == "-" || Formul[i].str == "*" || Formul[i].str == "/")
        {
            PResult = Precede(fuGetTop(OPTR), Formul[i].str);
            if (PResult == ">")
            {
                fuPop(OPTR, theta);
                Pop(OPND, num2);
                Pop(OPND, num1);
                int num3 = Operate(num1, theta, num2);
                Push(OPND, num3);
                PResult = Precede(fuGetTop(OPTR), Formul[i].str);
                if (PResult == "=")
                {
                    fuPop(OPTR, theta); continue;
                }
                else
                {
                    fuPush(OPTR, Formul[i].str);
                }
            }
            else if (PResult == "<")
            {
                fuPush(OPTR, Formul[i].str);
            }
            else
            {
                fuPop(OPTR, theta);
            }
        }
        else
        {
            Push(OPND, Formul[i].data);
        }
    }
    return GetTop(OPND);
}
 
//条件控制选择
int Choose()
{
    int chooseWay;  //条件筛选结果
    int choose1;    //有无乘除法选择
    cout << "请选择是否有乘除法（是：1/否：0）：";
    cin >> choose1;
    //有乘除法
    if (choose1 == 1)
    {
        int choose21;   //有无括号选择
        cout << "请选择是否有括号（是：1/否：0）：";
        cin >> choose21;
        //有括号
        if (choose21 == 1)
        {
            int choose31;   //加减有无负数选择
            cout << "请选择加减有无负数（有：1/无：0）：";
            cin >> choose31;
            //有负数
            if (choose31 == 1)
            {
                int choose41;   //除法有无余数选择
                cout << "除法有无余数（有：1/无：0）";
                cin >> choose41;
                //有余数
                if (choose41 == 1)
                {
                    chooseWay = 1;
                }
                //无余数
                else if (choose41 == 0)
                {
                    chooseWay = 2;
                }
                else
                {
                    cout << "选择错误！" << endl;
                    Choose();
                }
            }
            //无负数
            else if (choose31 == 0)
            {
                int choose42;   //除法有无余数选择
                cout << "除法有无余数（有：1/无：0）";
                cin >> choose42;
                //有余数
                if (choose42 == 1)
                {
                    chooseWay = 3;
                }
                //无余数
                else if (choose42 == 0)
                {
                    chooseWay = 4;
                }
                else
                {
                    cout << "选择错误！" << endl;
                    Choose();
                }
            }
            else
            {
                cout << "选择错误！" << endl;
                Choose();
            }
        }
        //无括号
        else if (choose21 == 0)
        {
            int choose32;   //加减有无负数选择
            cout << "请选择加减有无负数（有：1/无：0）：";
            cin >> choose32;
            //有负数
            if (choose32 == 1)
            {
                int choose43;   //除法有无余数选择
                cout << "除法有无余数（有：1/无：0）";
                cin >> choose43;
                //有余数
                if (choose43 == 1)
                {
                    chooseWay = 5;
                }
                //无余数
                else if (choose43 == 0)
                {
                    chooseWay = 6;
                }
                else
                {
                    cout << "选择错误！" << endl;
                    Choose();
                }
            }
            //无负数
            else if (choose32 == 0)
            {
                int choose44;   //除法有无余数选择
                cout << "除法有无余数（有：1/无：0）";
                cin >> choose44;
                //有余数
                if (choose44 == 1)
                {
                    chooseWay = 7;
                }
                //无余数
                else if (choose44 == 0)
                {
                    chooseWay = 8;
                }
                else
                {
                    cout << "选择错误！" << endl;
                    Choose();
                }
            }
            else
            {
                cout << "选择错误！" << endl;
                Choose();
            }
        }
        else
        {
            cout << "选择错误！"<<endl;
            Choose();
        }
    }
    //无乘除法
    else if (choose1 == 0)
    {
        int choose22;   //有无括号选择
        cout << "请选择是否有括号（是：1/否：0）：";
        cin >> choose22;
        //有括号
        if (choose22 == 1)
        {
            int choose33;   //加减有无负数选择
            cout << "请选择加减有无负数（有：1/无：0）：";
            cin >> choose33;
            //有负数
            if (choose33 == 1)
            {
                chooseWay = 9;
            }
            //无负数
            else if (choose33 == 0)
            {
                chooseWay = 10;
            }
            else
            {
                cout << "选择错误！" << endl;
                Choose();
            }
        }
        //无括号
        else if (choose22 == 0)
        {
            int choose34;   //加减有无负数选择
            cout << "请选择加减有无负数（有：1/无：0）：";
            cin >> choose34;
            //有负数
            if (choose34 == 1)
            {
                chooseWay = 11;
            }
            //无负数
            else if (choose34 == 0)
            {
                chooseWay = 12;
            }
            else
            {
                cout << "选择错误！" << endl;
                Choose();
            }
        }
        else
        {
            cout << "选择错误！"<<endl;
        }
    }
    else
    {
        cout << "选择错误！" << endl;
        Choose();
    }
    return chooseWay;
}
 
//随机数产生运算符
string Fuhao(int fuh)
{
    string fuh0;//返回运算符号
    if (fuh == 0)
        fuh0 = "+";
    else if (fuh == 1)
        fuh0 = "-";
    else if (fuh == 2)
        fuh0 = "*";
    else
        fuh0 = "/";
    return fuh0;
}
 
//初始化算式
void Init(subject &sub,int &length,int high,int low,int TwoOrFour)
{
    length = rand() % 9 + 2;
    for (j = 0; j < length - 1; j++)
    {
        sub.arith[j].left2 = "";
        sub.arith[j].left1 = "";
        sub.arith[j].right1 = "";
        sub.arith[j].right2 = "";
        sub.arith[j].member = rand() % (high - low) + low;
        //无乘除法
        if (TwoOrFour == 2)
        {
            fuh = rand() % 2;
        }
        //有乘除法
        if (TwoOrFour == 4)
        {
            fuh = rand() % 4;
        }
        sub.arith[j].fuhao = Fuhao(fuh);
    }
    sub.arith[length - 1].left2 = "";
    sub.arith[length - 1].left1 = "";
    sub.arith[length - 1].right1 = "";
    sub.arith[length - 1].right2 = "";
    sub.arith[length - 1].member = rand() % (high - low) + low;
    sub.arith[length - 1].fuhao = "=";
    for (j = 0; j < length; j++)
    {
        if (sub.arith[j].right1 == "" || sub.arith[j].right1 == ")")
        {
            if (sub.arith[j].fuhao == "/"&&sub.arith[j].left2 == ""&&sub.arith[j].left1 == ""&&sub.arith[j].right2 == "")
            {
                if (sub.arith[j + 1].fuhao == "/"&&sub.arith[j + 1].left2 == ""&&sub.arith[j + 1].left1 == ""&&sub.arith[j + 1].right1 == ""&&sub.arith[j + 1].right2 == "")
                {
                    sub.arith[j].left1 = "(";
                    sub.arith[j + 1].right1 = ")";
                    j += 1;
                }
            }
        }
    }
}
 
//输出函数
void Output(subject sub,int length)
{
    for (j = 0; j < length; j++)
    {
        cout << sub.arith[j].left2 << sub.arith[j].left1 << sub.arith[j].member << sub.arith[j].right1 << sub.arith[j].right2 << sub.arith[j].fuhao;
    }
    cout << endl;
}
 
//括号的产生
int Bracket( subject &sub,int length)
{
    int check = 0;
    if (length > 2)
    {
        int floor = rand() % 2 + 1;//产生括号的层数
        if (floor == 1)
        {
            lpoint1 = rand() % (length - 1);//产生左括号的位置
            rpoint1 = lpoint1 + rand() % (length - 1 - lpoint1);//产生右括号的位置
            if (lpoint1 == rpoint1)
            {
                if (lpoint1 > 0)
                {
                    lpoint1 -= 1;
                }
                else
                {
                    if (rpoint1 < length - 1)
                    {
                        rpoint1 += 1;
                    }
                }
            }
            sub.arith[lpoint1].left1 = "(";
            sub.arith[rpoint1].right1 = ")";
        }
        else
        {
            if (length > 3)
            {
                lpoint1 = rand() % (length - 1);//产生内层左括号的位置
                rpoint1 = lpoint1 + rand() % (length - 1 - lpoint1);//产生内层右括号的位置
                if (lpoint1 == rpoint1)
                {
                    if (lpoint1 > 0)
                    {
                        lpoint1 -= 1;
                    }
                    else
                    {
                        if (rpoint1 < length - 1)
                        {
                            rpoint1 += 1;
                        }
                    }
                }
                sub.arith[lpoint1].left1 = "(";
                sub.arith[rpoint1].right1 = ")";
                if (lpoint1 == 0)
                {
                    lpoint2 = lpoint1;//产生外层左括号的位置
                }
                else
                {
                    lpoint2 = lpoint1 - rand() % lpoint1;//产生外层左括号的位置
                }
                rpoint2 = rpoint1 + rand() % (length - rpoint1);//产生外层右括号的位置
                if (lpoint2 == lpoint1&&rpoint2 == rpoint1)
                {
                    if (lpoint2 > 0)
                    {
                        lpoint2 -= 1;
                    }
                    else
                    {
                        if (rpoint2 < length - 1)
                        {
                            rpoint2 += 1;
                        }
                    }
                }
                sub.arith[lpoint2].left2 = "(";
                sub.arith[rpoint2].right2 = ")";
            }
            else
            {
                check = 1;
            }
        }
    }
    return check;
}
 
//用户输入计算结果
int Input()
{
    int answer;
    cout << "请输入计算结果：";
    cin >> answer;
    return answer;
}
 
//判断用户是否答对
int Right(int result, int answer,int &count)
{
    if (answer == result)
    {
        cout << "######恭喜您！回答正确！" << endl;
        count++;
    }
    else
    {
        cout << "******很遗憾！回答错误！";
        cout << "正确答案为：" << result << endl;
    }
    return 0;
}
 
//输出用户答题结果
void UserResult(int count)
{
    cout << "!!!!!!答题完毕！" << endl;
    cout << "!!!!!!您答对题数为："<<count<<endl;
}
 
//验证除法有无余数
int change(subject &sub, int length)
{
    int check = 0;
    for (j = 0; j < length; j++)
    {
        if (sub.arith[j].fuhao == "/"&&sub.arith[j].right1 != ")")
        {
            if (sub.arith[j].member%sub.arith[j+1].member != 0)
            {
                check = 1;
            }
        }
        if (sub.arith[j].fuhao == "/"&&sub.arith[j].right1 == ")")
        {
            if ((sub.arith[j - 1].member / sub.arith[j].member) % sub.arith[j + 1].member != 0)
            {
                check = 1;
            }
        }
    }
    return check;
}
 
//有乘除法、有括号、加减有负数、除法有余数
void Output1(int number,int low,int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验产生式是否合格
        Init(sub[i], length, high, low,4);
        Result = ValueResult(sub[i], length);
        check = Bracket(sub[i],length);
        if (Result>high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }
    }
    UserResult(count);
}
//有乘除法、有括号、加减有负数、除法无余数
void Output2(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验产生式是否合格
        int check1 = 0;//检验除法是否有余数
        Init(sub[i], length, high, low, 4);
        check = Bracket(sub[i], length);
        check1 = change(sub[i], length);
        Result = ValueResult(sub[i], length);
        if (Result > high)
        {
            check = 1;
        }
        if (check == 1||check1==1)
        {
            i = i - 1; continue;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }
    }
    UserResult(count);
}
//有乘除法、有括号、加减无负数、除法有余数
void Output3(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验产生式是否合格
        Init(sub[i], length, high, low, 4);
        check = Bracket(sub[i], length);
        Result = ValueResult(sub[i], length);
        if (Result < 0||Result > high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }
    }
    UserResult(count);
}
//有乘除法、有括号、加减无负数、除法无余数
void Output4(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验产生式是否合格
        int check1 = 0;//检验除法是否有余数
        Init(sub[i], length, high, low, 4);
        check = Bracket(sub[i], length);
        check1 = change(sub[i], length);
        Result = ValueResult(sub[i], length);
        if (Result < 0||Result > high)
        {
            check = 1;
        }
        if (check == 1||check1==1)
        {
            i = i - 1; continue;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }
    }
    UserResult(count);
}
//有乘除法、无括号、加减有负数、除法有余数
void Output5(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;
        Init(sub[i], length, high, low, 4);
        Result = ValueResult(sub[i], length);
        if (Result > high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        Output(sub[i], length);
        int answer = Input();
        Right(Result, answer, count);
    }
    UserResult(count);
}
//有乘除法、无括号、加减有负数、除法无余数
void Output6(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;
        Init(sub[i], length, high, low, 4);
        check = change(sub[i], length);
        Result = ValueResult(sub[i], length);
        if (Result > high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        Output(sub[i], length);
        int answer = Input();
        Right(Result, answer, count);
    }
    UserResult(count);
}
//有乘除法、无括号、加减无负数、除法有余数
void Output7(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验
        Init(sub[i], length, high, low, 4);
        Result = ValueResult(sub[i], length);
        if (Result < 0||Result > high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }
    }
    UserResult(count);
}
//有乘除法、无括号、加减无负数、除法无余数
void Output8(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验
        Init(sub[i], length, high, low, 4);
        Result = ValueResult(sub[i], length);
        check = change(sub[i], length);
        if (Result < 0||Result > high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }
    }
    UserResult(count);
}
//无乘除法、有括号、加减有负数
void Output9(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验产生式是否合格
        Init(sub[i], length, high, low, 2);
        Result = ValueResult(sub[i], length);
        check = Bracket(sub[i], length);
        if (Result>high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }
    }
    UserResult(count);
}
//无乘除法、有括号、加减无负数
void Output10(int number, int low, int high)
{
    int count = 0;
    for (i = 0; i < number; i++)
    {
        int check = 0;//检验产生式是否合格
        Init(sub[i], length, high, low, 2);
        check = Bracket(sub[i], length);
        Result = ValueResult(sub[i], length);
        if (Result < 0||Result > high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        else
        {
            Output(sub[i], length);
            int answer = Input();
            Right(Result, answer, count);
        }      
    }
    UserResult(count);
}
//无乘除法、无括号、加减有负数
void Output11(int number, int low, int high)
{
    int count=0;
    for (i = 0; i < number; i++)
    {
        Init(sub[i], length, high, low, 2);
        Result = ValueResult(sub[i], length);
        if (Result>high)
        {
            i = i - 1; continue;
        }
        Output(sub[i], length);
        int answer = Input();
        Right(Result, answer, count);
    }
    UserResult(count);
}
//无乘除法、无括号、加减无负数
void Output12(int number, int low, int high)
{
    int count = 0;//记录用户答对题数
    for (i = 0; i < number; i++)
    {
        Init(sub[i], length, high, low, 2);
        int check=0;//检验
        Result = ValueResult(sub[i], length);
        if (Result<0 || Result>high)
        {
            check = 1;
        }
        if (check == 1)
        {
            i = i - 1; continue;
        }
        Output(sub[i], length);
        int answer = Input();
        Right(Result, answer, count);
    }
    UserResult(count);
}
 
int main()
{
    srand((unsigned)time(NULL));
    int chooseWay;  //条件筛选结果
    int number; //题目数量
    int low;    //算式数值范围的最小值
    int high;   //算式数值范围的最大值
    cout << "请输入出题数量：";
    cin >> number;
    cout << "请输入算式的数值范围："<<endl;
    cout << "最小值：";
    cin >> low;
    cout << "最大值：";
    cin >> high;
    chooseWay=Choose();     //条件筛选
    switch (chooseWay)
    {
    case 1:Output1(number, low, high); break;
    case 2:Output2(number, low, high); break;
    case 3:Output3(number, low, high); break;
    case 4:Output4(number, low, high); break;
    case 5:Output5(number, low, high); break;
    case 6:Output6(number, low, high); break;
    case 7:Output7(number, low, high); break;
    case 8:Output8(number, low, high); break;
    case 9:Output9(number, low, high); break;
    case 10:Output10(number, low, high); break;
    case 11:Output11(number, low, high); break;
    case 12:Output12(number, low, high);
    }
    return 0;
}
三：运行结果截图
四：结对开发工作照片
五：总结
本次实验由于有了上次实验的基础，基本原来的程序都没有变动，只是在原来的程序上进行功能添加和完善。
项目计划总结：
日期任务	听课	编写程序	查阅资料	日总计
星期一	2	2	1	5
星期二		2		2
星期三		5	1	6
星期四	2	2		4
星期五		3		3
星期六		5		5
星期日
周总计	4	19	2	25
时间记录日志：
日期	开始时间	结束时间	中断时间	静时间	活动	备注
3/14	14：00	15：50	10	100	听课	软件工程
	19: 30	21: 40	10	120	编写程序	编写程序、查看资料
3/15	19: 30	21: 30		120	编写程序	编写程序
3/16	14：00	18：00	20	220	编写程序	编写程序、查阅资料
	19： 30	21： 30		120	编写程序	编写程序
3/17	14：00	15：50	10	100	听课	编写第程序
	19：30	21：30		120	编写程序	编写程序
3/18	16：00	17：00		60	编写程序	编写程序
	19：30	21：30		120	编写程序	编写程序
3/19	9: 00	11: 00		120	编写程序	编写程序
	15：00	20：00	120	180	编写程序	编写程序、写博客
缺陷记录日志：
日期	编号	引入阶段	排除阶段	修复时间&问题描述
3/14	1	编码		编写程序，并未调试
3/15	2	编码	调试	编写程序，调试，发现调用顺序栈出现问题
3/16	3	编码	调试	编写程序，调试，解决调用顺序栈问题，已能成功计算运算结果
3/17	4	编码	调试	编写程序，调试，发现连除问题没有解决
3/18	5	编码	调试	编写程序，调试，解决连除问题
3/19	6	编码	调试	调试，基本解决问题
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原文地址：https://www.cnblogs.com/wangzongze/p/5296292.html