为什么增量变量会在它们具有不同名称时更改数组的值

我稍微清理了一下代码。你似乎在评论中找到了答案，所以我只是做了一些缩进。试着消除代码中的空白（请注意，我在这里放的这个也不完美，但你明白了）。干净易读的代码不仅会让它对你更好，而且随着你在行业中的地位越来越高，其他人开始阅读和处理你的代码，拥有干净易读的编码真的很有帮助：）

#include <iostream> //includes cin cout
#include <iomanip>
using namespace std; //setting up the    environment
const int NUMBER_OF_ROWS = 3;
const int NUMBER_OF_COLUMNS = 3;
void printAllSeats(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS]);
void reset(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS]);
void askForUsersSeat(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS], int &SeatCountNumber, bool &anyFreeSeats);
bool isFull(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS]);
bool isEmpty(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS]);
int main() 
{ 
    int maxSeats;
    int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS];
    int SeatCountNumber = 0;
    bool anyFreeSeats;
    reset(seats);
    anyFreeSeats = true;
    SeatCountNumber = 0;
    while (anyFreeSeats)
    {
        printAllSeats(seats);
        askForUsersSeat(seats, SeatCountNumber, anyFreeSeats);
    }
    system("pause");
        return 0;
} //main ends
void printAllSeats(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS])
{
    cout << endl;
    cout << setw(10) << "              - = Available      R =   Reservednn";
    for (int i = 0; i <= NUMBER_OF_ROWS; i++)
    {
        cout << setw(15) << i << " ";
        for (int j = 0; j < NUMBER_OF_COLUMNS; j++)
        {
            if (i == 0) 
            {
                cout << "  " << static_cast<char>(j + 65) << "   ";
            }
            else 
            {
                cout << "  " << static_cast<char>(seats[i][j]) << "   ";
            }
        }
        cout << endl;
    }
    cout << endl;
}
void reset(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS])
{
    //set all values in array to  196
    for (int i = 0; i <= NUMBER_OF_ROWS; i++)
    {
        for (int j = 0; j <= NUMBER_OF_COLUMNS; j++)
        {
            seats[i][j] = 196;
        }
    }
}
void askForUsersSeat(int seats[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS], int &SeatCountNumber, bool &anyFreeSeats)
{
    int seatChoiceNumber;
    char seatChoiceLetter;
    int letter;
    int maxSeats = NUMBER_OF_ROWS * NUMBER_OF_COLUMNS;
    cout << "Seat (Row, Column):    ";
    cin >> seatChoiceNumber >> seatChoiceLetter;
    letter = static_cast<int>(toupper(seatChoiceLetter));
    if (((letter >= 65) && (letter < (65 + NUMBER_OF_COLUMNS))) && ((seatChoiceNumber > 0) && (seatChoiceNumber <= NUMBER_OF_ROWS)))
    {
        if (seats[(seatChoiceNumber)][(letter - 65)] == 82)
        {
        }
        else
        {
            seats[(seatChoiceNumber)][(letter - 65)] = 82;
            SeatCountNumber++; //this changes last value in column  B for some reason
            if (SeatCountNumber < maxSeats)
            {
                anyFreeSeats = true;
            }
            else if (SeatCountNumber > maxSeats)
            {
                printAllSeats(seats);
                anyFreeSeats = false;
            }
        }
    }
    else {
    }
}

注意：甚至可以出现更多的空格，但我通常喜欢在某些语句（个人偏好）后面有空格。