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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Student
  5.   {
  6.    int numer;
  7.    float oceny[3];
  8.    float srednia()const { return (oceny[0]+oceny[1]+oceny[2])/3; }
  9.   };
  10.  
  11.  
  12. int main()
  13.   {
  14.    Student studenci[]={{1,{3,3.5,5}},{2,{4,5,5}},{3,{3,4,5}},{4,{2,4,2}}};
  15.    for(int i=0;i<sizeof(studenci)/sizeof(*studenci);++i) cout<<studenci[i].numer<<" "<<studenci[i].srednia()<<endl;
  16.    for(int i=1;i<4;++i)
  17.      {
  18.       int k=i;
  19.       Student el=studenci[k];
  20.       for(float sr=el.srednia();(k>0)&&(sr<studenci[k-1].srednia());--k) studenci[k]=studenci[k-1];
  21.       studenci[k]=el;
  22.      }
  23.    cout<<endl;
  24.    for(int i=0;i<sizeof(studenci)/sizeof(*studenci);++i) cout<<studenci[i].numer<<" "<<studenci[i].srednia()<<endl;
  25.    return 0;
  26.   }
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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1 3.83333
2 4.66667
3 4
4 2.66667

4 2.66667
1 3.83333
3 4
2 4.66667
https://ideone.com/MK1raf
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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