a565ofst.cpp
来自「quarto esempi vari per c++ (schemi base)」· C++ 代码 · 共 25 行
CPP
25 行
// 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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