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  1.  
  2. #include <iostream>
  3. #include <string>
  4. #include <limits>
  5. using namespace std;
  6.  
  7. bool readInt(const string& msg, int& x) {
  8.     while (true) {
  9.         cout << msg;
  10.         if (cin >> x) return true;
  11.         if (cin.eof()) return false;
  12.         cin.clear();
  13.         cin.ignore(numeric_limits<streamsize>::max(), '\n');
  14.         cout << "Phai nhap so nguyen!\n";
  15.     }
  16. }
  17. bool readDouble(const string& msg, double& x) {
  18.     while (true) {
  19.         cout << msg;
  20.         if (cin >> x) return true;
  21.         if (cin.eof()) return false;
  22.         cin.clear();
  23.         cin.ignore(numeric_limits<streamsize>::max(), '\n');
  24.         cout << "Phai nhap so!\n";
  25.     }
  26. }
  27. string readLine(const string& msg) {
  28.     cout << msg;
  29.     string s;
  30.     getline(cin >> ws, s);
  31.     return s;
  32. }
  33.  
  34. struct Patient { int id; string name; int age; string diagnosis; };
  35. Patient* findPatient(Patient* ds,int n,int id){
  36.     for(int i=0;i<n;++i)if(ds[i].id==id)return &ds[i];
  37.     return nullptr;
  38. }
  39. void input(Patient* ds,int n){
  40.     for(int i=0;i<n;++i){
  41.         cout<<"\nBenh nhan "<<i+1<<":\n";
  42.         while(true){if(!readInt("ID: ",ds[i].id))return;
  43.             if(findPatient(ds,i,ds[i].id)==nullptr)break;
  44.             cout<<"ID trung!\n";}
  45.         ds[i].name=readLine("Ho ten: ");
  46.         do {if(!readInt("Tuoi: ",ds[i].age))return;
  47.             if(ds[i].age<0||ds[i].age>150)cout<<"Tuoi khong hop le!\n";
  48.         }while(ds[i].age<0||ds[i].age>150);
  49.         ds[i].diagnosis=readLine("Chan doan: ");
  50.     }
  51. }
  52. void findAndShow(Patient* ds,int n,bool isDoctor){
  53.     int id;if(!readInt("ID can tim: ",id))return;
  54.     Patient* p=findPatient(ds,n,id);
  55.     if(p==nullptr){cout<<"Khong tim thay!\n";return;}
  56.     cout<<"ID: "<<p->id<<" | Ten: "<<p->name<<" | Tuoi: "<<p->age<<'\n';
  57.     if(isDoctor)cout<<"Diagnosis: "<<p->diagnosis<<'\n';
  58. }
  59. void updateDiagnosis(Patient* ds,int n,bool isDoctor){
  60.     if(!isDoctor){cout<<"Chi doctor duoc sua diagnosis!\n";return;}
  61.     int id;if(!readInt("ID can sua: ",id))return;
  62.     Patient* p=findPatient(ds,n,id);
  63.     if(!p){cout<<"Khong tim thay!\n";return;}
  64.     p->diagnosis=readLine("Diagnosis moi: ");
  65.     cout<<"Da cap nhat!\n";
  66. }
  67. bool login(bool& isDoctor){
  68.     int role;if(!readInt("1.Doctor 2.User: ",role))return false;
  69.     if(role==2){isDoctor=false;return true;}
  70.     if(role==1){string pass=readLine("Mat khau doctor: ");
  71.         if(pass=="D123"){isDoctor=true;return true;}}
  72.     cout<<"Dang nhap that bai!\n";return false;
  73. }
  74. int main(){
  75.     int n;if(!readInt("Nhap n (1..1000): ",n)||n<1||n>1000)return 0;
  76.     Patient* ds=new Patient[n];input(ds,n);
  77.     int mainChoice=-1;
  78.     do{
  79.         if(!readInt("\n1.Dang nhap 0.Thoat: ",mainChoice))break;
  80.         if(mainChoice==1){bool isDoctor=false;
  81.             if(!login(isDoctor))continue;
  82.             int choice=-1;
  83.             do{
  84.                 if(!readInt("\n1.Tim/xem benh nhan 2.Cap nhat diagnosis 0.Dang xuat: ",choice))break;
  85.                 switch(choice){
  86.                     case 1:findAndShow(ds,n,isDoctor);break;
  87.                     case 2:updateDiagnosis(ds,n,isDoctor);break;
  88.                     case 0:break;
  89.                     default:cout<<"Lua chon sai!\n";
  90.                 }
  91.             }while(choice!=0&&!cin.eof());
  92.         }else if(mainChoice!=0)cout<<"Lua chon sai!\n";
  93.     }while(mainChoice!=0&&!cin.eof());
  94.     delete[] ds;ds=nullptr;return 0;
  95. }
  96.  
  97.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
Nhap n (1..1000):
https://ideone.com/e4Fe5B
quan ly benh nhan
language:
C++14 (clang 8.0)
created:
10 hours ago
visibility:
public

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