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  1. #include<iostream>
  2. using namespace std;
  3. class sort
  4. {
  5.  float m[30];
  6.  int i,j,n;
  7. public:
  8.  void insert()
  9.  {
  10.   cout<<"ENTER NUMBER OF STUDENTS:"<<endl;
  11.   cin>>n;
  12.   cout<<"ENTER MARKS:"<<endl;
  13.   for(i=0;i<n;i++)
  14.   {
  15.    cin>>m[i];
  16.   }
  17.  }
  18.  void display()
  19.  {
  20.   cout<<"ENTERED MARKS ARE:"<<endl;
  21.   for(i=0;i<n;i++)
  22.   cout<<m[i]<<endl;
  23.  }
  24.  
  25.  void bubble()
  26.  {
  27.   float temp;
  28.   for(i=0;i<n-1 ;i++)
  29.   {
  30.    for(j=0;j<(n-1)-i;j++)
  31.    {
  32.     if(m[j]>m[j+1])
  33.     {
  34.      temp=m[j];
  35.      m[j]=m[j+1];
  36.      m[j+1]=temp;
  37.     }
  38.    }
  39.   }
  40. cout<<"TOP FIVE:"<<endl;
  41.   for(i=n-1;i>=(n-5);i--)
  42.   {
  43.    cout<<m[i]<<endl;
  44.  
  45.   }
  46.  }
  47.  void selection()
  48.  {
  49.   int min;
  50.   float temp;
  51.   for(i=0;i<(n-1);i++)
  52.   {
  53.    min=i;
  54.    for(j=i+1;j<n;j++)
  55.    {
  56.     if(m[j]<m[min])
  57.     {
  58.      min=j;
  59.     }
  60.    }
  61.     temp=m[i];
  62.     m[i]=m[min];
  63.     m[min]=temp;
  64.  
  65.   }
  66.   cout<<"TOP FIVE:"<<endl;
  67.   for(i=n-1;i>= (n-5);i--)
  68.   {
  69.    cout<<m[i]<<endl;
  70.   }
  71.  }
  72. };
  73. int main()
  74. {
  75.  sort s;
  76.  int ch,x;
  77.  cout<<"LIST OF TOP FIVE STUDENTS:"<<endl;
  78.  do
  79.  {
  80.  cout<<"1.CREATE \n2.DISPLAY\n3.TOP FIVE BY BUBBLE SORT\n4.TOP FIVE BY SELECTION SORT\nENTER CHOICE:"<<endl;
  81.   cin>>ch;
  82.   switch(ch)
  83.   {
  84.   case 1:
  85.    s.insert();
  86.    break;
  87.   case 2:
  88.    s.display();
  89.    break;
  90.   case 3:
  91.    s.bubble();
  92.    break;
  93.   case 4:
  94.    s.selection();
  95.    break;
  96.   default:
  97.    cout<<"INVALID CHOICE!"<<endl;
  98.   }
  99.   cout<<"DO YOU WANT TO CONTINUE? 1.YES 2.NO"<<endl;
  100.   cin>>x;
  101.  }while(x==1);
  102.  return 0;
  103. }
Success #stdin #stdout 0s 4372KB
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stdin
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Standard input is empty
stdout
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LIST OF TOP FIVE STUDENTS:
1.CREATE 
2.DISPLAY
3.TOP FIVE BY BUBBLE SORT
4.TOP FIVE BY SELECTION SORT
ENTER CHOICE:
INVALID CHOICE!
DO YOU WANT TO CONTINUE? 1.YES 2.NO
https://ideone.com/rIh7rP
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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