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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. struct SinhVien{
  4. 	string name, lop, date;
  5. 	float GPA;
  6. 	int id;
  7. };
  8. void input(SinhVien& A){
  9. 	cin.ignore();
  10. 	getline(cin, A.name);
  11. 	getline(cin, A.lop);
  12. 	getline(cin, A.date);
  13. 	cin>>A.GPA;
  14. }
  15. void nhap(SinhVien ds[], int N){
  16. 	for(int i=0; i<N; i++){
  17. 		ds[i].id=i+1;
  18. 		input(ds[i]);
  19. 	}
  20. }
  21. void name(string s){
  22. 	for(int i=0; i<s.length(); i++){
  23. 		s[i] = tolower(s[i]);
  24. 	}
  25. 	vector<string>v;
  26. 	stringstream ss(s);
  27. 	string token;
  28. 	while(ss>>token){
  29. 		v.push_back(token);
  30. 	}
  31. 	int n = v.size();
  32. 	for(int i=0; i<n; i++){
  33. 		v[i][0] = toupper(v[i][0]);
  34. 	}
  35. 	for(int i=0; i<n; i++){
  36. 	    cout<<v[i]<<" ";
  37.     }
  38. }
  39. void sapxep(SinhVien ds[], int N){
  40.     for(int i=0; i<N; i++){
  41.     	int max=i;
  42.     	for(int j=i+1; j<N; j++){
  43.     		if(ds[j].GPA > ds[max].GPA){
  44.     		    max=j;
  45. 			}
  46. 		}
  47. 		SinhVien temp=ds[i];
  48. 		ds[i]=ds[max];
  49. 		ds[max]=temp;
  50. 	}
  51. }
  52. void in(SinhVien ds[], int N){
  53. 	for(int i=0; i<N; i++){
  54. 		if(ds[i].date[1]=='/')   ds[i].date.insert(0,"0");
  55. 		if(ds[i].date[4]=='/')   ds[i].date.insert(3,"0");
  56. 		string s;
  57. 		if(ds[i].id<=9)   s="B20DCCN00";
  58. 		else      s="B20DCCN0";
  59. 		cout<<s<<ds[i].id<<" ";
  60. 		name(ds[i].name);
  61.         cout<<ds[i].lop<<" ";
  62.         cout<<ds[i].date<<" ";
  63.         cout<<fixed<<setprecision(2)<<ds[i].GPA<<"\n";
  64. 	}
  65. }
  66. int main(){
  67.     struct SinhVien ds[50];
  68.     int N;
  69.     cin >> N;
  70.     nhap(ds, N);
  71.     sapxep(ds,N);
  72.     in(ds, N);
  73.     return 0;
  74. }
Success #stdin #stdout 0s 5288KB
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https://ideone.com/pqUpNm
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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