当按“1”开始游戏时，首先出现错误消息而不是玩游戏，然后我必须在游戏开始前输入“1”3次，并且退出游戏选项仅在您先选择“2”时才有效如果它没有首先被选中，它只是作为错误消息出现，我看不出它为什么会这样，任何人都可以帮助我吗？
#include "Questions.h"
#include <iostream>
using namespace std;
const int MAXITEMS = 10;
int main ()
{
string question[MAXITEMS] = {"How man cards in a suit",
"How_many_suits_are_there_in_a_standard_pack_of_card",
"How_many_kings_are_in_a_standard_pack_of_cards"};
string answers[MAXITEMS] = {"4", "5", "6"};
int userInput = 0;
int tries = 0;
bool isGameOver = false;
cout << "select 1 to start game" << endl; //gives option to start and quit game
cout << "select 2 to quit game" << endl;
cin >> userInput;
if (userInput == 2)
{
isGameOver = true;
return 0;
};
// when game starts gives option to select question and shows all questions
do
{
if (userInput != 1||2)
{
cout << " Your input is not valid! please try again:" << endl;
// try switch cases for the different outcomes
cout << "select 1 to start game" << endl;
cout << "select 2 to quit game" << endl;
cin >> userInput;
while (!(cin >> userInput))
{
cin.clear(); // clear the error flags
cin.ignore(INT_MAX, '\n'); // discard the row
cout << "Your input is not valid! please try again: ";
cout << "select 1 to start game" << endl;
cout << "select 2 to quit game" << endl;
}
cout << userInput << endl;
}
// reprisent all characters as number to stop while roblem
if(userInput == 1)
{
do
{
cout << "select question" << endl;
for(int i = 0; i != MAXITEMS; i++)
{
cout << i << " " << question[i] << endl;
}
int selectQestion;
cin >> selectQestion;
if(selectQestion == 0||1||2 && tries != 2)
{
cout << "Enter your answer" << endl;
string userAnswer;
cin >> userAnswer;
while (!(cin >> userAnswer))
{
cin.clear(); // clear the error flags
cin.ignore(INT_MAX, '\n');
// discard the row
cout << "Your input is not valid!
please try again: ";
}
if (userAnswer == answers[0])
{
cout << "Correct answer" << endl;
}
else{
cout << "incorrect try again" << endl;
tries++;
cin >> userAnswer;
if (userAnswer == answers[0])
{
cout << "Correct answer" << endl;
}
else
cout << "Incorrect" << endl;
}
}
if (selectQestion == 0 ||1 ||2 && tries == 2)
{
cout << "you can no longer answer this question" << endl;
cout << "try another question" << endl;
}
}
while(userInput == 1);
}
}
while(isGameOver == false);
}
// add stuct or class to handle questions,