基本 C++ 骰子游戏

Question

我在这里遇到问题，如果有人可以在这里帮助我，那就太好了。这是我第一次使用这个程序，所以不要评判。

#include <cstdlib>
#include <iostream>

using namespace std;
int throw1, throw2, throw3, throw4;
int bet1 = 100;
int bet2 = 300;
int bet3 = 500;
int bet=(bet1, bet2, bet3);
int deposit;
int account;

int main(){
    int count = 0;

    while(count < 3){

        cin>>deposit;

        while(deposit>5000 || deposit<0){                //Makes sure so that my deposit is between 0-5000
            cout<<"deposit failed"<<endl;
            cin>>deposit;

        }
        account = deposit;
        cout<<"You have deposited" <<deposit<<"Swedish Krona"<<endl;   
        cout<<"and you have this much cash on your account"<<account<<"Swedish Krona"<<endl;

        if (konto>499){                 //Makes sure so that i have the money to bet, and if i dont have the money, i can just put in more 
            cout<<"please place your bet"<<endl;
            cout<<"bet1=100, bet2=300, bet3=500"<<endl;
            cin>>bet1;
            cin>>bet2;
            cin>>bet3;
            account = (deposit - bet);
            cout<<"you have this much cash on your account"<<account<<"Swedish Krona"<<endl;
        }
        else if(account>299){
            cout<<"please place your bet"<<endl;
            cout<<"bet1=100, bet=300"<<endl;     
            cin>>bet1;
            cin>>bet2;
            account =(deposit - bet);
            cout<<"you have this much cash on your account"<<account<<"Swedish Krona"<<endl;
        }
        else if(account>99){
            cout<<"please place your bet"<<endl;
            cout<<"bet1=100"<<endl;
            cin>>bet1;
            cout<<"you have placed your bet"<<bet<<"Swedish Krona"<<endl;
        }

        while (account<100 || deposit>5000){
            cout<<"insufficient funds"<<endl;
            cin>>deposit;
            account=deposit;
        }

        {
            cout<<"Throw dice"<<endl;
            srand(time(0)); 
            Throw1 = rand() % 6 + 1;
            Throw2 = rand() % 6 + 1;
            Throw3 = rand() % 6 + 1;
            Throw4 = rand() % 6 + 1;
            cout<<"You rolled"<<Throw1<<endl;
            cout<<"You rolled"<<Throw2<<endl;
            cout<<"Computer rolled"<<Throw3<<endl;
            cout<<"Computer rolled"<<Throw4<<endl;
        }
    }
    count++;

    system ("pause");
}

所以这里的问题是，出于某种原因，我总是下注 500，即使输入 bet1 或 bet2，我也不知道如何解决这个问题。然后我的循环函数(int count 0; while(count < 3)count++) 它开始无限循环，无需我按下任何东西，即使我在简单的编码中使用相同的循环函数，比如输入一些 cout

Answer 1

int bet1 = 100;
int bet2 = 300;
int bet3 = 500;
int bet=(bet1, bet2, bet3)

最后一行的计算结果如下：100、300、500。逗号分隔的表达式列表的结果将是最后一个值，即 500。因此您的投注变量将始终设置为 500。

Answer 2

您在代码下方的评论中声明的内容 (int count 0; while(count < 3)count++) 看起来像是 for 和 while 循环的某种奇怪混合。请再次查看您的 C++ 教科书/在线教程，了解如何编写正确的循环。

在您显示的代码中，在您的 while 循环中，您不会修改 count 变量 - 因此如果循环前 count count++ 语句实际上在您的主 while 循环之外！

当你想做某事固定次数时，推荐使用for循环，这样更难忘记增量！

Answer 3

你在循环之外增加count ，所以它总是为零。要么将其移动到循环内（正确的缩进是关键！），要么使用for 循环代替：

for (count = 0; count < 3; ++count) { ... }

Answer 4

一些建议，

• 将您的存款提示（插入）放入函数中
• 将您的投注提示放入函数中
• 在提示下注之前检查是否有足够的钱
• 获取输入到字符串中，然后验证输入（下面尚未完成）
• 检查投注是否有效（=100,=300,=500, 投注

这里有这些方便的功能，

#include <string>
#include <cstdlib>
#include <iostream>

using namespace std;
int kast1, kast2, kast3, kast4;
int bet1 = 100;
int bet2 = 300;
int bet3 = 500;
int bet=0; //assignment didn't make sense
int insattning=0;
int konto=0;

//deposit
int get_insattning()
{
    int good = 0;
    while( !good )
    {
        cout<<"deposit"<<endl; //prompt for deposit
        cin>>insattning;
        if(insattning>5000 || insattning<0)//Makes sure so that my deposit is between 0-5000
        {
            cout<<"insattning fel, var vänlig och gör rätt denna gången"<<endl;
        }
        else good = 1;
    }
    cout<<"du har nu satt in" <<insattning<<"kr"<<endl;
    return insattning;
}

我不清楚您是要 100,300、500 或 3 个赌注中的 1 个赌注。这是第一个，

//bet
int get_bet()
{
    int good = 0;
    int bet;
    std::string validbets = "";
    if(konto<100){ cout<<"you need more money"; return 0; }
    while( !good )
    {
        cout<<"var vänlig och placera ditt bet"<<endl;
        if(konto>=100){ validbets = "bet1=100"; }
        if(konto>=300){ validbets += ", bet=300"; }
        if(konto>=500){ validbets += ", bet=500"; }
        cout<<validbets<<endl;
        cin>>bet;
        if( bet >= konto ) {
            cout<<"you don't have enough money"<<endl;
            continue;
        }
        if (bet==500){                 //Makes sure so that i have the money to bet, and if i dont have the money, i can just put in more 
            cout<<"du har så här mycket på kontot nu "<<konto<<" kr"<<endl;
            good = 1;
        }
        else if(bet==300){
            cout<<"du har så mycket på kontot nu "<<konto<<" kr"<<endl;
            good = 1;
        }
        else if(bet==100){
            cout<<"du har nu bettat "<<bet<<" kr"<<endl;
            good = 1;
        }
        else {
            cout<<"you must place valid bet"<<endl;
            continue;
        }
    }
    return bet;
}

现在您的主要游戏玩法更清晰/更易于阅读。我不知道获胜条件或奖金是什么，而且由于您的提示不是英文，我无法阅读它们来告诉您下一步该做什么，

int main()
{
    int count = 0;
    int bet;
    srand(time(0));
    for( count=0; (count < 3); count++)
    {
        konto = get_insattning();
        if (konto<100)
        {
            cout<<"du har inte nog med pengar, vänligen sätt in pengar"<<endl;
            continue;
        }
        cout<<"och du har så här mycket i ditt konto "<<konto<<" kr"<<endl;
        bet = get_bet();
        //when you bet, reduce konto by bet
        konto = (konto - bet);
        {
            cout<<"slå tärningar"<<endl;
            kast1 = rand() % 6 + 1;
            kast2 = rand() % 6 + 1;
            kast3 = rand() % 6 + 1;
            kast4 = rand() % 6 + 1;
            cout<<"Du fick"<<kast1<<endl;
            cout<<"du fick"<<kast2<<endl;
            cout<<"datorn fick"<<kast3<<endl;
            cout<<"datorn fick"<<kast4<<endl;
        }

你需要编写代码来判断你是赢还是输，然后在赢的时候添加到konto，

        //did you win or lose?
        //win?  add money to konto
        //lose?  you have already deducted from konto
    }
    system ("pause");
}

这些建议应该可以帮助您修复程序。