问题描述
链接至代码：https://onlinegdb.com/B1DsFDa8D
您好，一旦值更新，我的while循环就不会响应其设置的条件。代码一直持续到结束为止。如果您运行该代码，您将看到我在说什么（实际上有必要这样做）。当参数值更新时，该值会累加并更改。当我在代码末尾打印出它的值时，实际上它确实注册为应在整个循环中分配给它的数字，但是当它停止时，循环只是不执行任何操作。基本上我的问题可能是无限循环。唯一可以解决的问题是“返回0”；在循环结束时。
我的教授给出了具体指示：创建一个a子手游戏。游戏通常包括一名玩家猜测一个秘密单词的字母。错误的猜测导致将a子手的图片一次绘制成一个片段。一旦有7个错误的猜测，子手的图片就会被绘制出来，而玩家的猜测将使游戏失败。在您的游戏中，如果对16个多项选择题中的任何一个有七个错误的答案，则会导致游戏失败。 程序1将16个问题写入名为“ infile.txt”的文件 程序2读取“ infile.txt”并使用有关questions子手游戏的问题
使用一个名为“ is_hung”的布尔值返回函数。该函数采用一个称为“ num_errors”的整数参数。使用“ if-else”语句对该参数进行测试，以根据错误答案的数量来确定要显示在屏幕上的子手数量。
{
cout << "\t \t \t" << " O " << endl;
cout << "\t \t \t" << "/|\\" << endl;
cout << "\t \t \t" << " | " << endl;
cout << "\t \t \t" << "/ \\" << endl;
cout << " YOU ARE HUNG" endl;
return false;
}
1个不正确的答案显示了头部
3个不正确的答案显示右臂
7个不正确的答案显示右腿
我的代码：
#include <stdio.h>
#include <iostream>
#include <string>
#include <fstream>
using namespace std;
bool is_hung(int,bool);
int main()
{
string question1;
string answer1;
string answer2;
string answer3;
string answer4;
string question2;
string answer5;
string answer6;
string answer7;
string answer8;
string question3;
string answer9;
string answer10;
string answer11;
string answer12;
string question4;
string answer13;
string answer14;
string answer15;
string answer16;
string question5;
string answer17;
string answer18;
string answer19;
string answer20;
string question6;
string answer21;
string answer22;
string answer23;
string answer24;
string question7;
string answer25;
string answer26;
string answer27;
string answer28;
string question8;
string answer29;
string answer30;
string answer31;
string answer32;
ifstream reader;
reader.open("infile.txt");
int num_right = 0;
int num_error = 0;
bool power = true;
cout << power << endl;
string user_answer1 = "";
string user_answer2 = "";
string user_answer3 = "";
string user_answer4 = "";
string user_answer5 = "";
string user_answer6 = "";
string user_answer7 = "";
string user_answer8 = "";
while (power == true) {
while (num_error < 7) //should stop the while loop when number of incorrect answers are equal to 7
{
//1
getline(reader,question1); //get line from infile.txt
getline(reader,answer1);
getline(reader,answer2);
getline(reader,answer3);
getline(reader,answer4);
cout << question1 << endl; //print out line from file
cout << answer1 << endl;
cout << answer2 << endl;
cout << answer3 << endl;
cout << answer4 << endl;
cout << "Enter Answer: ";
cin >> user_answer1; //have the user input answer
if (user_answer1 == "B") //if statement to determine correct answer
{
cout << "correct" << endl;
num_right++; //adds 1 to num_right
cout << "" << endl;
}
else //if user_answer is not equal answer/wrong answer
{
cout << "incorrect" << endl;
num_error++; //add 1 to num_error
power = is_hung(num_error,power); //get function
}
//2
getline(reader,question2);
getline(reader,answer5);
getline(reader,answer6);
getline(reader,answer7);
getline(reader,answer8);
cout << question2 << endl;
cout << answer5 << endl;
cout << answer6 << endl;
cout << answer7 << endl;
cout << answer8 << endl;
cout << "Enter Answer: ";
cin >> user_answer2;
if (user_answer2 == "B") {
cout << "correct" << endl;
num_right++;
cout << "" << endl;
}
else {
cout << "incorrect" << endl;
num_error++;
power = is_hung(num_error,power);
}
//3
getline(reader,question3);
getline(reader,answer9);
getline(reader,answer10);
getline(reader,answer11);
getline(reader,answer12);
cout << question3 << endl;
cout << answer9 << endl;
cout << answer10 << endl;
cout << answer11 << endl;
cout << answer12 << endl;
cout << "Enter Answer: ";
cin >> user_answer3;
if (user_answer3 == "C") {
cout << "correct" << endl;
num_right++;
cout << "" << endl;
}
else {
cout << "incorrect" << endl;
num_error++;
power = is_hung(num_error,power);
}
//4
getline(reader,question4);
getline(reader,answer13);
getline(reader,answer14);
getline(reader,answer15);
getline(reader,answer16);
cout << question4 << endl;
cout << answer13 << endl;
cout << answer14 << endl;
cout << answer15 << endl;
cout << answer16 << endl;
cout << "Enter Answer: ";
cin >> user_answer4;
if (user_answer4 == "D") {
cout << "correct" << endl;
num_right++;
cout << "" << endl;
}
else {
cout << "incorrect" << endl;
num_error++;
power = is_hung(num_error,power);
}
//5
getline(reader,question5);
getline(reader,answer17);
getline(reader,answer18);
getline(reader,answer19);
getline(reader,answer20);
cout << question5 << endl;
cout << answer17 << endl;
cout << answer18 << endl;
cout << answer19 << endl;
cout << answer20 << endl;
cout << "Enter Answer: ";
cin >> user_answer5;
if (user_answer5 == "A") {
cout << "correct" << endl;
num_right++;
cout << "" << endl;
}
else {
cout << "incorrect" << endl;
num_error++;
power = is_hung(num_error,power);
}
//6
getline(reader,question6);
getline(reader,answer21);
getline(reader,answer22);
getline(reader,answer23);
getline(reader,answer24);
cout << question6 << endl;
cout << answer21 << endl;
cout << answer22 << endl;
cout << answer23 << endl;
cout << answer24 << endl;
cout << "Enter Answer: ";
cin >> user_answer6;
if (user_answer6 == "D") {
cout << "correct" << endl;
num_right++;
cout << "" << endl;
}
else {
cout << "incorrect" << endl;
num_error++;
power = is_hung(num_error,power);
}
//7
getline(reader,question7);
getline(reader,answer25);
getline(reader,answer26);
getline(reader,answer27);
getline(reader,answer28);
cout << question7 << endl;
cout << answer25 << endl;
cout << answer26 << endl;
cout << answer27 << endl;
cout << answer28 << endl;
cout << "Enter Answer: ";
cin >> user_answer7;
if (user_answer7 == "A") {
cout << "correct" << endl;
num_right++;
cout << "" << endl;
}
else {
cout << "incorrect" << endl;
num_error++;
power = is_hung(num_error,power);
}
cout << power << endl;
//8
getline(reader,question8);
getline(reader,answer29);
getline(reader,answer30);
getline(reader,answer31);
getline(reader,answer32);
cout << question8 << endl;
cout << answer29 << endl;
cout << answer30 << endl;
cout << answer31 << endl;
cout << answer32 << endl;
cout << "Enter Answer: ";
cin >> user_answer8;
if (user_answer8 == "D") {
cout << "correct" << endl;
num_right++;
cout << "" << endl;
}
else {
cout << "incorrect" << endl;
num_error++;
power = is_hung(num_error,power);
}
cout << "" << endl;
if (num_error > 7) {
cout << "You got " << num_right << " out of 8. You lose." << endl;
}
else if (num_error < 7) {
cout << "You got " << num_right << " out of 8. You Win." << endl;
}
reader.close();
return 0;
}
}
reader.close();
cout << "" << endl;
if (num_error > 7) {
cout << "You got " << num_right << " out of 16. You lose." << endl;
}
else if (num_error < 7) {
cout << "You got " << num_right << " out of 16. You Win." << endl;
}
return 0;
}
bool is_hung(int num_errors2,bool power2)
{
if (num_errors2 == 1) {
cout << "\t \t \t"
<< " O " << endl;
cout << "" << endl;
power2 = true;
return power2;
}
else if (num_errors2 == 2) {
cout << "\t \t \t"
<< " O " << endl;
cout << "\t \t \t"
<< "/" << endl;
cout << "" << endl;
power2 = true;
return power2;
}
else if (num_errors2 == 3) {
cout << "\t \t \t"
<< " O " << endl;
cout << "\t \t \t"
<< "/ \\" << endl;
cout << "" << endl;
power2 = true;
return power2;
}
else if (num_errors2 == 4) {
cout << "\t \t \t"
<< " O " << endl;
cout << "\t \t \t"
<< "/|\\" << endl;
cout << "" << endl;
power2 = true;
return power2;
}
else if (num_errors2 == 5) {
cout << "\t \t \t"
<< " O " << endl;
cout << "\t \t \t"
<< "/|\\" << endl;
cout << "\t \t \t"
<< " | " << endl;
cout << "" << endl;
power2 = true;
return power2;
}
else if (num_errors2 == 6) {
cout << "\t \t \t"
<< " O " << endl;
cout << "\t \t \t"
<< "/|\\" << endl;
cout << "\t \t \t"
<< " | " << endl;
cout << "\t \t \t"
<< "/ " << endl;
cout << "" << endl;
power2 = true;
return power2;
}
else if (num_errors2 == 7) {
cout << "\t \t \t"
<< " O " << endl;
cout << "\t \t \t"
<< "/|\\" << endl;
cout << "\t \t \t"
<< " | " << endl;
cout << "\t \t \t"
<< "/ \\" << endl;
cout << " YOU ARE HUNG" << endl;
cout << "" << endl;
power2 = false;
return power2;
}
}
解决方法
大量的重复性浪费代码，这使得读取和调试极其困难，并且显着增加了犯错误的风险。
通过使用更少的变量，更好的循环和少量算术，可以大大减少此代码，例如：
Error during template rendering
In template C:\Users\Sriram\Desktop\books_site\books\templates\books\books_listed.html,error at line 12
no such column: books_book.zonar
您认为这样做更容易吗？