Bài viết sưu tầm

#include

#define max 50

using namespace std;

void DocFile(ifstream &file, int a[], int &n){

              //Mo file de doc

              file.open("input.txt");

              if(file.fail()){

                             cout<<"Khong mo duoc file!!!"<

              }else

              //Thuc hien thao tac doc

{

                             file>>n;

                             for(int i=0;i

                                  file>>a[i];

              }

              //In mang ra man hinh

              for(int i=0;i

                    cout<

              //Dong file

              file.close();

}

int main(){

int a[max],n;

ifstream file;   

DocFile(file,a,n);

return 0;

}