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  1.  
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4. struct SinhVien{
  5. 	string name, lop, date;
  6. 	float GPA;
  7. 	int id;
  8. };
  9. void input(SinhVien& A){
  10. 	cin.ignore();
  11. 	getline(cin, A.name);
  12. 	getline(cin, A.lop);
  13. 	getline(cin, A.date);
  14. 	cin>>A.GPA;
  15. }
  16. void nhap(SinhVien ds[], int N){
  17. 	for(int i=0; i<N; i++){
  18. 		ds[i].id=i+1;
  19. 		input(ds[i]);
  20. 	}
  21. }
  22. void name(string s){
  23. 	for(int i=0; i<s.length(); i++){
  24. 		s[i] = tolower(s[i]);
  25. 	}
  26. 	vector<string>v;
  27. 	stringstream ss(s);
  28. 	string token;
  29. 	while(ss>>token){
  30. 		v.push_back(token);
  31. 	}
  32. 	int n = v.size();
  33. 	for(int i=0; i<n; i++){
  34. 		v[i][0] = toupper(v[i][0]);
  35. 	}
  36. 	for(int i=0; i<n; i++){
  37. 	    cout<<v[i]<<" ";
  38.     }
  39. }
  40. void sapxep(SinhVien ds[], int N){
  41.     for(int i=0; i<N; i++){
  42.     	int max=i;
  43.     	for(int j=i+1; j<N; j++){
  44.     		if(ds[j].GPA > ds[max].GPA){
  45.     		    max=j;
  46. 			}
  47. 		}
  48. 		SinhVien temp=ds[i];
  49. 		ds[i]=ds[max];
  50. 		ds[max]=temp;
  51. 	}
  52. }
  53. void in(SinhVien ds[], int N){
  54. 	for(int i=0; i<N; i++){
  55. 		if(ds[i].date[1]=='/')   ds[i].date.insert(0,"0");
  56. 		if(ds[i].date[4]=='/')   ds[i].date.insert(3,"0");
  57. 		string s;
  58. 		if(ds[i].id<=9)   s="B20DCCN00";
  59. 		else      s="B20DCCN0";
  60. 		cout<<s<<ds[i].id<<" ";
  61. 		name(ds[i].name);
  62.         cout<<ds[i].lop<<" ";
  63.         cout<<ds[i].date<<" ";
  64.         cout<<fixed<<setprecision(2)<<ds[i].GPA<<"\n";
  65. 	}
  66. }
  67. int main(){
  68.     struct SinhVien ds[50];
  69.     int N;
  70.     cin >> N;
  71.     nhap(ds, N);
  72.     sapxep(ds,N);
  73.     in(ds, N);
  74.     return 0;
  75. }
Success #stdin #stdout 0.01s 5272KB
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https://ideone.com/LrffK8
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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