10iii.cpp

C/C++程序设计导论（第二版）》程序源文件

// gradtst2.cpp  Grade student quiz answers in file `students.txt' against
//    the key in disk file `key.txt'. Report each student's score and a class
///   summary of the number correct for each question.
#include <iostream.h>
#include <fstream.h>
#include "Cstring.h"
const String KEYFILE ="key.txt";
const String STUDENTFILE ="students.txt";
const int SIZE = 5;
void InputAnswerKey (String, char[ ], int);							// prototypes
void  GradeStudents (String, char[ ], int[ ], int);
void 	ReportSummary (int[ ], int);

void main ()
{ 	char answers[SIZE];
	int summary[SIZE]= { 0,0, 0, 0, 0};
	InputAnswerKey (KEYFILE, answers, SIZE);
	GradeStudents (STUDENTFILE, answers, summary, SIZE);
	ReportSummary (summary, SIZE);
}