fork download
copy 
  1. #include<iostream>
  2. using namespace std;
  3. class Student{
  4.     double *grades;
  5.     int courseNo;
  6.     double cgpa;
  7.  
  8.     public:
  9.     Student(int n, double *g, double cg=0){
  10.         courseNo=n;
  11.         grades=new double[courseNo];
  12.         for(int i=0;i<courseNo;i++){
  13.             grades[i]=g[i];
  14.         }
  15.         if(cg==0){
  16.             double sum=0;
  17.             for(int i=0;i<courseNo;i++){
  18.                 sum+=grades[i];
  19.             }
  20.             cgpa=sum/courseNo;
  21.         }else{
  22.             cgpa=cg;
  23.         }
  24.     }
  25.  
  26.     //copy constructor
  27.     Student(const Student& s){
  28.         courseNo=s.courseNo;
  29.         grades=new double[courseNo];
  30.         for(int i=0;i<courseNo;i++){
  31.             grades[i]=s.grades[i];
  32.         }
  33.         cgpa=s.cgpa;
  34.     }
  35.     //assign operator
  36.     Student& operator=(const Student& s){
  37.         if(this!=&s){
  38.             delete[] grades;
  39.             courseNo=s.courseNo;
  40.             grades=new double[courseNo];
  41.             for(int i=0;i<courseNo;i++){
  42.                 grades[i]=s.grades[i];
  43.             }
  44.             cgpa=s.cgpa;
  45.  
  46.         }
  47.         return *this;
  48.     }
  49.  
  50.     //compare operator
  51.     bool operator>(Student& s){
  52.         return cgpa>s.cgpa;
  53.     }
  54.  
  55.     friend ostream& operator<<(ostream&, Student&);
  56.  
  57. };
  58. ostream& operator<<(ostream& out, Student& s){
  59.     out<<"([";
  60.     for(int i=0;i<s.courseNo;i++){
  61.         if(i==0)
  62.             out<<s.grades[i];
  63.         else
  64.             out<<", "<<s.grades[i];
  65.     }
  66.     out<<"], "<<s.cgpa<<")";
  67.     return out;
  68. }
  69. int main(){
  70.     double g1[] = {2.5, 3.0, 4.0};
  71.     double g2[] = {3.5, 3.7, 3.8};
  72.     double g3[] = {2.0, 2.5, 3.0};
  73.     double g4[] = {3.8, 4.0, 3.9};
  74.  
  75.     Student arr[] = {
  76.         Student(3, g1),
  77.         Student(3, g2),
  78.         Student(3, g3),
  79.         Student(3, g4)
  80.     };
  81.  
  82.     int n=4;
  83.     for (int i = 0; i < n - 1; i++) {
  84.  
  85.         for (int j = 0; j < n - i - 1; j++) {
  86.  
  87.             if (arr[j] > arr[j + 1]) {
  88.                 Student temp = arr[j];
  89.  
  90.                 arr[j] = arr[j + 1];
  91.  
  92.                 arr[j + 1] = temp;
  93.             }
  94.         }
  95.     }
  96.  
  97.     for(int i=0;i<n;i++){
  98.         cout<<arr[i]<<endl;
  99.     }
  100.  
  101.  
  102.  
  103. }
  104.  
  105.  
  106.  
Success #stdin #stdout 0.01s 5300KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
([2, 2.5, 3], 2.5)
([2.5, 3, 4], 3.16667)
([3.5, 3.7, 3.8], 3.66667)
([3.8, 4, 3.9], 3.9)
https://ideone.com/fyuk6e
language:
C++ (gcc 8.3)
created:
11 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!