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我對C++相當陌生,並且試圖讓istream工作。我有一類:istream未處理的異常,堆棧溢出
class rat
{
private:
int num;
int denom;
public:
rat();
rat(const int&, const int&);
rat(const int&);
friend ostream& operator << (ostream&, const rat&);
friend istream& operator >> (istream&, const rat&);
};
rat::rat(void)
{
num = 0;
denom = 1;
}
rat::rat(const int &n, const int &d)
{
num = n;
denom = d;
simplify();
}
rat::rat(const int &n)
{
num = n;
denom = 1;
}
ostream& operator << (ostream &os, const rat &r1)
{
os << r1.num;
os << "/";
os << r1.denom;
return os;
}
istream& operator >> (istream &is, const rat &r1)
{
is >> r1.num;
is >> r1.denom;
return is;
}
我也有一個.cpp:
#include <iostream>
#include <conio.h>
using namespace std;
#include "Rats.h"
void main()
{
rat r1(3,4), r2(2,3), r3;
system("cls");
cout << "Please enter a rational number: ";
cin >> r3;
}
出現我的問題時,它遇到了 「是>> r1.num;」線。它給了我錯誤:RatClass.exe中的0x772d15de未處理的異常:0xC00000FD:堆棧溢出。
同樣,我是相當新的,所以還沒有學會可能的原因。任何幫助表示讚賞。