我无法按照规范完成作业 . 这是分配方案：

大学迫切需要一个自动测试评分系统 . 使用C，为大学写一个评分系统，并对至少五名学生的测试进行评分 . 要创建评分系统，请按照以下步骤操作：首先询问测试中的问题数量然后询问每个问题的正确答案 . 请注意，多项选择测试和问题将从A到D得到答案 . 询问学生人数并通过询问他们的姓名来处理每个学生，然后循环询问学生的答案 . 为每个问题打分 . 在最后一个问题计算出学生得分后，显示“学生'插入学生姓名'得分为20分中的10分或50％ . ”重复，直到所有学生都得分 . 在对所有学生进行评分后，以与以前相同的方式插入打印所有学生成绩的 class 列表 .

这是我到目前为止：

#include "stdafx.h"

#include

#include

#include

#include

using namespace std;

int _tmain(int argc, _TCHAR* argv[])

{

//declare variables

char choice;

string studentName;

vector answers;

vector names;

int getStudents();

int getQuestions();

//calls function to get number of questions

float questions = getQuestions();

//Get answers

for (int i = 0; i < questions; ++i) {

cout << "What is the answer for question " << i + 1 << endl;

cin >> choice;

answers.push_back(choice);

}

//Get number of students

int students = getStudents();

//Get student names

for (int i = 0; i < students; i++) {

cout << "Student " << i + 1 << ", what is your name?" << endl;

cin >> studentName;

names.push_back(studentName);

}

float score = 0;

char studentAnswer;

vector userAnswer;

vector finalScore;

//gets student answers

for (int i = 0; i < students; i++) {

for (int j = 0; j < questions; j++) {

cout << names[i] << ", what is your answer for question " << j + 1 << "?" << endl;

cin >> studentAnswer;

userAnswer.push_back(studentAnswer);

}

}

//calculates student scores

for (int i = 0; i < students; i++) {

for (int j = 0; j < questions; j++) {

if (userAnswer[j] == answers[j])

score = score + 1;

}

finalScore.push_back(score);

}

//outputs scores

for (int i = 0; i < students; i++) {

cout << names[i] << " scored " << finalScore[i] << " out of " << questions <<

" or " << (finalScore[i] / questions) * 100 << "%" << endl;

}

system("pause");

return 0;

}

//function to get number of questions

int getQuestions()

{

int questions;

cout << "How many questions are there?" << endl;

cin >> questions;

return questions;

}

//function to get number of students

int getStudents()

{

int students;

cout << "How many students are there?" << endl;

cin >> students;

return students;

}

最终得分返回的值不准确，我找不到错误发生的位置 .

同样，为了在最后一步中进行排序，我被要求按升序或字母顺序按降序和名称排序 . 我能够相互独立地排序这些，但不知道如何将它们组合起来并按照这种方式对它们进行排序 .