a565ofst.cpp

来自「quarto esempi vari per c++ (schemi base)」· C++ 代码 · 共 25 行

CPP
25
字号
// nuovi elementi: cerr
#include <iostream>
#include <fstream>

using namespace std;

int main() {
  ofstream outfile("voti.dat");
  if (!outfile) {
    cerr << "Errore: file output non puo' venire aperto.\n";
    exit(1);
  }
  char matricola[9], name[16];
  int voto;
  cout << "nome matricola voto (^Z per finire)\n";
  cout << "\t1: ";
  int n = 1;
  while (cin >> name >> matricola >> voto) {
    outfile << name << " " << matricola << " " << voto << endl;
    cout << '\t' << ++n << ": ";
  }
  outfile.close();
}

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