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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. // khai bao struct
  5. struct sinhvien {
  6.     char MSV[20]; // ma sinh vien
  7.     char hoten[30]; // ho ten sinh vien
  8.     double toan, tin, anh; // cac diem toan, tin, anh
  9. };
  10.  
  11. /* Hay thay tat ca __fpurge(stdin); thanh fflush(stdin) khi ban lam tren windowns*/
  12.  
  13. int main() {
  14.     /* khai bao 2 bien sv1, sv2 va 1 mang
  15.      * CNPMK10A gom 100 sinh vien
  16.      */
  17.     struct sinhvien sv1, sv2, CNPMK10A[100];
  18.  
  19.     printf("Nhap du lieu cho sv1:\n");
  20.     printf("MSV: "); __fpurge(stdin);
  21.     gets(sv1.MSV);
  22.     printf("Ho ten: "); __fpurge(stdin);
  23.     gets(sv1.hoten);
  24.     printf("Diem toan, tin, anh: "); __fpurge(stdin);
  25.     scanf("%lf %lf %lf", &sv1.toan, &sv1.tin, &sv1.anh);
  26.  
  27.     printf("Nhap du lieu cho sv2:\n");
  28.     printf("MSV: "); __fpurge(stdin);
  29.     gets(sv2.MSV);
  30.     printf("Ho ten: "); __fpurge(stdin);
  31.     gets(sv2.hoten);
  32.     printf("Diem toan, tin, anh: "); __fpurge(stdin);
  33.     scanf("%lf %lf %lf", &sv2.toan, &sv2.tin, &sv2.anh);
  34.  
  35.     printf("\n --------- Thong tin sinh vien -----\n");
  36.     printf("%-20s %-30s %-7s %-7s %-7s\n", "MSV", "Ho ten", "Toan", "Tin", "Anh");
  37.     printf("%-20s %-30s %-7.2lf %-7.2lf %-7.2lf\n", sv1.MSV, sv1.hoten, sv1.toan, sv1.tin, sv1.anh);
  38.     printf("%-20s %-30s %-7.2lf %-7.2lf %-7.2lf\n", sv2.MSV, sv2.hoten, sv2.toan, sv2.tin, sv2.anh);
  39.  
  40.     return 0;
  41. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:20:36: error: ‘__fpurge’ was not declared in this scope
     printf("MSV: "); __fpurge(stdin);
                                    ^
prog.cpp:21:17: error: ‘gets’ was not declared in this scope
     gets(sv1.MSV);
                 ^
stdout 
Standard output is empty
https://ideone.com/UFrMwo
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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