Question

我正在尝试为编程课程的介绍完成一个家庭作业项目。我们刚刚讨论了多维数组。

我们应该设计一个必不可少的程序，作为预订飞机座位的系统。您选择一个座位，如果可用，则标有“X”字符表示已被选中。如果你选择一个不可用的座位（标有“X”），那么你会被告知座位不可用，并且可以选择再次尝试。每次选择后，飞机座位图都会更新。

我遇到的问题是地图没有正确更新。在向我的教授寻求帮助之后，她建议我改变循环但是，我不确定如何改变它。有人可以给我一些帮助吗？（以下信息）：这是座位图的样子：

A B C D
A B C D
A B C D
A B C D
A B C D
A B C D

A B C D

int row,  col;
char seats[7][5], choice;

ifstream input;
input.open("plane.txt");

for(int a = 0; a<7; a++)
{       cout<<"\n";
        for(int b = 0; b<5; b++)
        {       input>>seats[a][b];
                cout<<seats[a][b]<<" ";
        }
}


do
{       cout<<"What row would you like to sit in?\n";
        cin>>row;
        cout<<"What seat would you like? (A=1, B=2, C=3, D=5)";
        cin>>col;
        if(seats[row][col]=='X')
                cout<<"Sorry this seat is already taken. Try another.\n";
        else
        {       cout<<"Your seat has been reserved.";
                cout<<" Be sure to check the updated seat chart to confirm your order.";
                seats[row][col]='X';
        }
        for(int c = 0; c<7; c++)
        {       cout<<"\n";
                for(int d = 0; d<5; d++)
                {       cout<<seats[c][d]<<" ";
                }
        }
        cout<<"\n";
        cout<<" Would you like to pick another seat? (Y/N)";
        cin>>choice;
}
while((choice=='y')||(choice=='Y'));
return 0;

}

Answer 1

你需要处理数组索引。

if(seats[row-1][col-1]=='X')
    cout<<"Sorry this seat is already taken. Try another.\n";
else  {       
    cout<<"Your seat has been reserved.";
    cout<<" Be sure to check the updated seat chart to confirm your order.";
    seats[row-1][col-1]='X';
}

MD阵列没有更新

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