int main()
{
std::vector<Student_info> students;
Student_info record;
std::string::size_type maxlen = 0;
std::cout << "Please enter each student's record on a line" << std::endl;
std::cout << "<Name> <midterm> <final> <hw1> <hw2> ... " << std::endl;
std::cout << "E.g. Smith 78 87 67 75 82" << std::endl;
std::cout << "Enter end-of-file (ctrl+D) when done" << std::endl;
while (read(std::cin, record)) {
// find length of longest name
maxlen = std::max(maxlen, record.name.size());
students.push_back(record);
}
// alphabetize the student records
sort(students.begin(), students.end(), compare);
// write the names and grades
for(std::vector<Student_info>::size_type i = 0;i != students.size(); ++i){
// write the name, padded on the right to maxlen + 1 characters
std::cout << students[i].name << std::string(maxlen + 1 - students[i].name.size(), ' ');
// compute and write the grade
try {
double final_grade = grade(students[i]);
std::streamsize prec = std::cout.precision();
std::cout << std::setprecision(3) << final_grade << std::setprecision(prec);
} catch (std::domain_error e) {
std::cout << e.what();
}
std::cout << std::endl;
}
return 0;
}
void boundary()//开始界面
{
system("cls");
char s;
color(14);
printf("\t\t欢迎来玩！！\n\n");
printf("\t\t1：开始\n\n");
printf("\t\t2：查看成绩\n\n");
printf("\t\t3：退出\n\n");
printf("\t\t请选择：");
s = getche();
switch (s)
{
case '1': play(); break;
case '2': grade(); break;
case '3': end(); break;
}
}
int main()
{
std::vector<Student_info> students;
Student_info record;
std::string::size_type maxlen = 0;
while(read(std::cin, record))
{
maxlen = std::max(maxlen, record.name.size());
students.push_back(record);
}
std::sort(students.begin(), students.end(), cmp);
for(std::vector<Student_info>::size_type i=0; i!=students.size(); ++i)
{
std::cout << students[i].name << std::string(maxlen + 1 - students[i].name.size(), ' ');
try
{
double final_grade = grade(students[i]);
std::streamsize prec = std::cout.precision();
std::cout << std::setprecision(3) << final_grade << std::setprecision(prec);
}
catch(std::domain_error e)
{
std::cout << e.what();
}
}
return 0;
}
void EngineerExam::on_checkQuestions_clicked() {
if (this->type == 1) {
QuestionWidget *qw = static_cast<QuestionWidget*>(ui->stackedWidget->currentWidget());
qw->isSelectedAnswerCorrect();
return;
}
int correct = 0;
for (int i = 0; i < ui->stackedWidget->count(); ++i) {
QuestionWidget *qw = static_cast<QuestionWidget*>(ui->stackedWidget->widget(i));
correct += qw->isSelectedAnswerCorrect();
}
double percent = (correct * 1.0) / (questionsList.size() * 1.0) * 100;
qDebug() << correct;
ui->timer->stop();
if (type == 0) {
QMessageBox::information(0, trUtf8("Wynik"),
trUtf8("Odpowiedziałeś poprawnie na %1 z %2 pytań. Procentowo to %3. Otrzymujesz %4.")
.arg(correct)
.arg(questionsList.count())
.arg(percent)
.arg(grade(percent)));
}
}
double grade(double midterm_exam, double final_exam, const std::vector<double> &hw)
{
if(hw.size() == 0)
{
throw std::domain_error("Student has done no homework.");
}
return grade(midterm_exam, final_exam, median(hw));
}
int main()
{
int i;
while (scanf("%d", &i) != EOF)
{
printf ("%d\n", grade(i));
}
return 0;
}
void Student::outputgrade(std::ostream &ostr,bool flag_b4_moss,Student *lowest_d) const {
std::string g = grade(flag_b4_moss,lowest_d);
std::string color = GradeColor(g);
if (moss_penalty < -0.01) {
ostr << "<td align=center bgcolor=" << color << ">" << g << " *</td>";
} else {
ostr << "<td align=center bgcolor=" << color << ">" << g << "</td>";
}
}
double grade_aux(const Student_info& s)
{
try
{
return grade(s);
}
catch (domain_error)
{
return grade(s.midterm, s.final, 0);
}
}
const Mark& Mark::display(int type)const{
if (type == DSP_GRADE){
std::cout << grade();
}
else if (type == DSP_GPA){
std::cout <<setprecision(1) << fixed << gpa();
}
else if (type == DSP_MARK){
std::cout << weightedMark();
}
else{
std::cout << "Bad display type for a mark";
}
return *this;
}
static void parse_file(evaluation& e, const std::string& path)
{
csv_parser parser(path);
size_t course_grade_key_i;
std::vector<std::pair<std::string, size_t>> teacher_grade_key_is;
{
std::vector<std::string> line;
if(!parser.read(line))
throw std::runtime_error("No headerline");
course_grade_key_i = find_course_grade_key(line, path);
teacher_grade_key_is = find_teacher_grade_keys(line);
if(teacher_grade_key_is.empty())
teacher_grade_key_is.emplace_back("all", find_teacher_grade_key(line, path));
}
size_t i = 0;
for(std::vector<std::string> line; parser.read(line); ++i)
{
if(line.size() > 1)
{
if(line.at(course_grade_key_i) != "") //Answer has not been filled in
e.course_grade.ratings.push_back(boost::lexical_cast<double>(line.at(course_grade_key_i)));
assert(teacher_grade_key_is.size() > 0);
for(std::pair<std::string, size_t> teacher_p : teacher_grade_key_is)
{
std::string& teacher_str(teacher_p.first);
size_t teacher_grade_key_i = teacher_p.second;
if(line.at(teacher_grade_key_i) == "") //Answer has not been filled in
continue;
double teacher_grade = boost::lexical_cast<double>(line.at(teacher_grade_key_i));
if(e.teachers_grade.find(teacher_str) == e.teachers_grade.end())
e.teachers_grade.insert(std::make_pair(teacher_str, grade()));
e.teachers_grade[teacher_str].ratings.emplace_back(teacher_grade);
}
}
}
}
void TetrisAI::search() {
// Beam Search
mSearchTimer.start();
mReady = false;
mNewThread = false;
multimap<int, PlayfieldNode> nodeMap;
multimap<int, PlayfieldNode> newNodeMap;
nodeMap.insert(make_pair(grade(mCurrentNode), mCurrentNode));
// Queue
for (vector<int>::iterator it = mTetrominoQueue.begin();
it != mTetrominoQueue.begin() + mSearchDepth; it++) {
// Current Map
newNodeMap.clear();
for (multimap<int, PlayfieldNode>::iterator nit = nodeMap.begin();
nit != nodeMap.end(); nit++) {
// New Node
vector<PlayfieldNode> newSet = generate(nit->second, *it);
// Adding to new Map
for (vector<PlayfieldNode>::iterator vit = newSet.begin();
vit != newSet.end(); vit++) {
newNodeMap.insert(make_pair(grade(*vit), *vit));
}
}
if (newNodeMap.size() > SEARCH_BEAM_WIDTH) {
// Beaming
multimap<int, PlayfieldNode>::iterator beamingIt =
newNodeMap.begin();
advance(beamingIt, newNodeMap.size() - SEARCH_BEAM_WIDTH);
newNodeMap.erase(newNodeMap.begin(), beamingIt);
}
nodeMap = newNodeMap;
}
// Best node is last node
multimap<int, PlayfieldNode>::iterator bestNodeIt = nodeMap.end();
advance(bestNodeIt, -1);
PlayfieldNode bestNode = bestNodeIt->second;
// Constructing inputs
vector<int> commands;
PlayfieldPosition instruction = bestNode.mTetrominoPositions.at(0);
for (int i = 0; i < instruction.rotation; i++) {
commands.push_back(INPUT_CLOCKWISE);
}
PlayfieldPosition spawn = getSpawnPosition(instruction.ttype);
int relativeX = instruction.x - spawn.x;
int directionInput = INPUT_RIGHT;
if (relativeX < 0) {
directionInput = INPUT_LEFT;
}
for (int i = 0; i < abs(relativeX); i++) {
commands.push_back(directionInput);
}
commands.push_back(INPUT_HARDDROP);
execute(commands);
int searchTime = mSearchTimer.getTicks();
mReady = true;
//printf("Thinking time: %i\n", searchTime);
}
double grade(const StudentInfo& StudentInfo){
return grade(StudentInfo.midScore, StudentInfo.finScore, StudentInfo.homework);
}
double grade(double midScore, double finScore, const vector<double>& homework){
if(homework.size() == 0){
throw domain_error("student has done no homework!");
}
return grade(midScore, finScore, median(homework));
}
int main()
{
int eng,mat,c,jav,db,tot,avg,rno;
float per; //percentage will be float,decimal
char name[100]; //student name
system("cls");
printf("\n\nWelcome to student marksheet generation module!");
printf("\n===============================================\n\n");
//student input => name, roll number and marks
printf("Enter your name: ");
fgets(name,100,stdin); //scan name
strtok(name,"\n"); //remove the trailing \n from name(stdin) to drop the new line
printf("\nEnter your roll number: ");
scanf("%d",&rno);
printf("\n\nHello, %s Please enter your subjectwise marks out of 100: \n",name);
printf("\nEnglish: ");
scanf("%d",&eng);
printf("\nMath: ");
scanf("%d",&mat);
printf("\nC Prog: ");
scanf("%d",&c);
printf("\nJava Prog: ");
scanf("%d",&jav);
printf("\nDatabase: ");
scanf("%d",&db);
if(eng > 100 || mat > 100 || c > 100 || jav > 100 || db > 100) //check validity of marks
{ //No marks can exceed 100
printf("\n\nInvalid marks entered. Must be out of 100.");
}
else
{ //proceed only if all marks are <=100
system("cls");
printf("\n\n\nGenerating Your Marksheet...");
printf("\n============================");
sleep(2);
// freopen("marksheet.txt","w",stdout);
printf("\n\nStudent Details:"); //Marksheet formatting
printf("\n----------------");
printf("\n\nStudent Name: %s\nStudent Roll No.: %d",name,rno); //print name and roll no.
printf("\n========================================\n");
printf("\nYour Subjectwise Marks:");
printf("\n-----------------------\n\n");
printf("English\tMaths\tC-Prog\tJava\tDatabase");
printf("\n\n%d/100\t%d/100\t%d/100\t%d/100\t%d/100",eng,mat,c,jav,db);
printf("\n========================================\n");
tot = total(eng,mat,c,jav,db); //function call to total, returns total of all subjects
printf("\n========================================");
printf("\nTotal Marks = %d/500",tot); //display total
printf("\n========================================");
avg = avrg(tot); //function call to avrg, returns avg marks out of 100
printf("\nAverage Marks = %d/100",avg); //Display avg marks
printf("\n========================================");
per = prcnt(tot); //function call to prcnt, returns a float value for percentage
printf("\nPercentage: %.2f %%",per);//Display percent
printf("\n========================================\n");
printf("\nGrade: ");
grade(per,name);//Check and display grade
}
getche();
return 0;
}
void grade_calculator::intialize_grade_table() {
grade_table.push_back(grade("A", 4.0));
grade_table.push_back(grade("A-", 3.67));
grade_table.push_back(grade("B+", 3.33));
grade_table.push_back(grade("B", 3.0));
grade_table.push_back(grade("B-", 2.67));
grade_table.push_back(grade("C+", 2.33));
grade_table.push_back(grade("C", 2.0));
grade_table.push_back(grade("C-", 1.67));
grade_table.push_back(grade("D+", 1.33));
grade_table.push_back(grade("D", 1.0));
grade_table.push_back(grade("F", 1.0));
}
if(hw.size() == 0)
{
throw std::domain_error("Student has done no homework.");
}
return grade(midterm_exam, final_exam, median(hw));
}
student_info::student_info() : midterm_exam(0), final_exam(0), final_grade(0) { }
student_info::student_info(std::istream &in) { read(in); }
std::istream& student_info::read(std::istream &in)
{
in >> n >> midterm_exam >> final_exam;
read_hw(in, homework);
final_grade = grade();
return in;
}
double student_info::grade() const
{
return ::grade(midterm_exam,final_exam,homework);
}
bool compare(const student_info &x, const student_info &y)
{
return x.name() < y.name();
}