شاشات ملونة في البرنامج

#include<iostream.h>

#include<stdlib.h>

#include<cstring.h>

#include<iomanip.h>

#include<windows.h>

#include<conio.h>

struct stud_inf{ //structure contain the student informaition

string name;

int number;

int grade;

};

struct stud_inf classes[100]; //array of the students in the class

int number; //number of students in the class

//------------------------------------------------------------------------------

//This function takes from the teacher the students information and store thim in

//the array.

void enter_class()

{

int i;

int flag=1; //to determine if there are more students or not

for (i=0;flag==1;i++)

{

cout<< "\n enter the student name: ";

cin>>classes.name;

cout<< "\n enter the student number: ";

cin>> classes.number;

classes.grade=0; //inizialize the grade to zero

cout<< "\n are there more students? (y=1, n=0)";

cin>>flag;

}

number=i+1;

}

//------------------------------------------------------------------------------

//This student checks if the student name who wants to play the game is exists or

//not, if yes it will send his position in the array.

int find_student()

{

int i;

string name;

cout<<"\n Enter your name:";

cin>>name;

for(i=0;i<number;i++)

{

if(name==classes.name)

{

return i;

}

}

cout<<"\n The student is not exist";

return -1;

}

//------------------------------------------------------------------------------

//This function gives the student three simple multiplication equations and ask him

//to solve them, and save his grade in the array.

void The_game(int student)

{

int a, b, result; //a and b are the parameters of equation

int high=9; //the parameters are less than or equal 9

int i;

for(i=0;i<3;i++)

{

a=rand()%high+1; //function rand to give random numbers

b=rand()%high+1;

cout<<"\n How much is "<<a<<" times "<<b<<" ?";

cin>>result;

if(result==(a*b)) //correct answer

{

cout<<"\n very good\n";

classes[student].grade=classes[student].grade+10;

}

else //wrong answer

{

cout<<"\n No, wrong answer\n";

}

}

cout<<"\n your grade is\n "<<classes[student].grade;

}

//------------------------------------------------------------------------------

//This function sort the students of the class according to their grade:

void sort_grade()

{

int i,j,pos;

struct stud_inf biggest;

for( i=0;i<number;i++)

{

biggest.grade=classes.grade;

biggest.name=classes.name;

biggest.number=classes.number;

pos=i;

for(j=i+1;j<number;j++)

{

if(classes[j].grade>biggest.grade)

{

biggest.grade=classes[j].grade;

biggest.name=classes[j].name;

biggest.number=classes[j].number;

pos=j;

}

}

classes[pos].grade=classes.grade;

classes[pos].name=classes.name;

classes[pos].number=classes.number;

classes.grade=biggest.grade;

classes.name=biggest.name;

classes.number=biggest.number;

}

}

//-------------------------------------------------------------------------

//This function print out a list of the students names and grades:

void print_list()

{

int i;

cout<<"\n The order of students according to there grades:";

cout<<"\n Students Name Grade";

cout<<"\n ---------------------------------\n";

for(i=0;i<number;i++)

{

cout<<classes.name<<" "<<classes.grade<<endl;

}

}

//------------------------------------------------------------------------------

int main()

{

int op=0, student;

while(op!=4)

{

cout<<"\n Choose an option from the list:";

cout<<"\n 1:Enter the students of the class.";

cout<<"\n 2:Play the game.";

cout<<"\n 3:Print the list of students.";

cout<<"\n 4:quit";

cin>>op;

if(op==1)

{

enter_class();

}

else if(op==2)

{

student=find_student();

if (student!= -1)

{

The_game(student);

}

}

else if(op==3)

{

sort_grade();

print_list();

getch();

}

else

{

cout<<"Thank you ...";

break;

}

clrscr(); //To clear the screen after each operation

}

return 0;

}