Write C/C++ program to store marks scored for first test of subject 'Data Structures and Algorithms' for N students

Second Year Computer Engineering Data Structure Programs:

Data Structure Lab:

Practical A2:

Write C/C++ program to store marks scored for first test of subject 'Data Structures and Algorithms' for N students. Compute

I. The average score of class

ii. Highest score and lowest score of class

iii. Marks scored by most of the students

iv. list of students who were absent for the test

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#include<iostream>

using namespace std;

class student

{int a[50],b,c,d,e,x[50],h,f,l,ab,y[50];

public:

void intake()

{     d=0;

cout<<"enter the number of student"<<endl;

cin>>b;

cout<<"NOTE :: enter negative for abscent student"<<endl;

cout<<"enter the marks of student"<<endl;

for(c=0;c<b;c++)

cin>>a[c];

}

void abscent()

{     int z[50];

for(c=0;c<b;c++)

z[c]=a[c];

for(c=0;c<b;c++)

{   if(z[c]<0)

d++;

}

cout<<"the number of abscent student is"<<d<<endl;

}

void marks()

{   int marks;

float avg;

d=b;

for(c=0;c<b;c++)

y[c]=a[c];

for(c=0;c<b;c++)

{   if(y[c]<0)

{

y[c]=0;

d--;

}

}

marks=0;

for(c=0;c<b;c++)

{

marks=marks+y[c];

}

avg=marks/d;

cout<<"the avg of all student is"<<avg<<endl;

}

void highlow()

{   l=b;

for(c=0;c<b;c++)

y[c]=a[c];

for(c=0;c<b;c++)

{   if('y[c]=0')

    l--;

}

for(c=0;c<b;c++)

{   for(f=0;f<b;f++)

{   if(a[c]>a[f])

{

h=a[c];

a[c]=a[f];

a[f]=h;

}

}

}

cout<<"highest"<<a[0]<<endl;

cout<<" lowest"<<a[l-1]<<endl;

}

void max()

{   int x[50],m,o,n,f,w[50];

ab=b;

for(c=0;c<b;c++)

{

x[c]=0;

}

for(c=0;c<b;c++)

    {

w[c]=a[c];

}

for(c=0;c<b;c++)

{

if(w[c]<0)

{

            ab--;

}

}

for(c=0;c<b;c++)

   {   for(f=0;f<b;f++)

{   if(a[c]>a[f])

{

h=a[c];

a[c]=a[f];

a[f]=h;

}

}

}

for(c=0;c<ab;c++)

{   for(m=0;m<ab;m++)

{   if(a[c]==a[m])

x[c]++;

}

}

for(c=0;c<ab;c++)

{   for(f=0;f<ab;f++)

{   if(x[c]>x[f])

{  n=x[c];

  x[c]=x[f];

  x[f]=n;

o=a[c];

a[c]=a[f];

a[f]=o;

}

}

}

cout<<"the"<<a[0]<<"is repeated maximum"<<x[0]<<"times"<<endl;

for(c=1;c<ab;c++)

{  if(x[0]==x[c]&&a[0]!=a[c])

  {

      cout<<"the"<<a[c]<<"is repeated maximum"<<x[c]<<"times"<<endl;

      a[0]=a[c];

  }

}

  }

}arb;

int main()

{   int a,b;

    arb.intake();

    do

    {  cout<<"1.abscent"<<endl<<"2.average"<<endl<<"3.highest"<<endl<<"4.repetation"<<endl;

       cin>>a;

       switch(a)

       {  case 1:arb.abscent();

            break;

          case 2:arb.marks();

            break;

          case 3:arb.highlow();

            break;

          case 4:arb.max();

            break;

        }

   cout<<"do u want to continue enter 1 if u want 0 if u dont";

   cin>>b;

    }while(b==1);

return 0;

}

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/*************************************OUTPUT*********************************

 * enter the number of student

9

NOTE :: enter negative for abscent student

enter the marks of student

95 -1 34 65 95 -1 34 -1 64

1.abscent

2.average

3.highest

4.repetation

1

the number of abscent student is3

do u want to continue enter 1 if u want 0 if u dont1

1.abscent

2.average

3.highest

4.repetation

2

the avg of all student is64

do u want to continue enter 1 if u want 0 if u dont1

1.abscent

2.average

3.highest

4.repetation

3

highest95

 lowest0

do u want to continue enter 1 if u want 0 if u dont1

1.abscent

2.average

3.highest

4.repetation

4

the95is repeated maximum2times

the34is repeated maximum2times

do u want to continue enter 1 if u want 0 if u dont

 *

 */