一个关于二维数组的问题，编译的时候没有出错，但是在运行的时候输入第三组数值时VC报错。

christianozhao 2008-03-21 01:41:29

下面是我的程序，统计3年中一本书每年的总销量（每个月的销量由人工输入），每一年的销量统计完成后打印出结果，最后显示三年的总销量，在我输入第三年五月份的销量的时候VC报错，程序崩溃了，我也不知道程序出了什么问题，谢谢大家帮助啦！

# include <iostream>

const int MONTHS=12;
const char *months[MONTHS]={"January","Febuary","March","April","May",
"June","July","August","September","October","November","December"};

int main()
{
using namespace std;
int i=1;
int j=1;
double sum=0.0;
int sales[3][MONTHS];
int month;
while(j<=3)
{
cout<<"Enter the "<<j<<" year monthly sales for\"C++ for Fools\":\n";
for(month=0;month<MONTHS;month++)
{
cout<<"Sales for "<<months[month]<<":";
cin>>sales[i][month];
}
double total=0.0;
for(month=0;month<MONTHS;month++)
total+=sales[i][month];
cout<<"Total sales:"<<total<<endl;
i++;
j++;
sum+=total;
}
cout<<"The 3 year's totol sales is:"<<sum<<endl;
return 0;
}

...全文

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Mnky 2008-03-21

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你i和j如果要从1变到3，那么sales生命的时候应该变成 int sales[4][MONTHS];
否则，就把 i,j 初始化为0，循环时用 while(j<3)

hjessica 2008-03-21

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# include  <iostream> 



const int MONTHS=12; 

const char *months[MONTHS]={"January","Febuary","March","April","May", 

"June","July","August","September","October","November","December"}; 



int main() 

{ 

	using namespace std; 

    int j=0; 

	double sum=0.0; 

	int sales[3][MONTHS]; 

	int month; 

	while(j <3) 

	{ 

		

		cout <<"Enter the " <<j <<" year monthly sales for\"C++ for Fools\":\n"; 

		for(month=0;month <MONTHS;month++) { 

			cout <<"Sales for " <<months[month] <<":"; 

			cin>>sales[j][month]; 		

		} 

		double total=0.0; 

		for(month=0;month <MONTHS;month++) 

		total+=sales[j][month]; 

		cout <<"Total sales:" <<total <<endl; 

		j++; 

		sum+=total; 

	} 

	cout <<"The 3 year's totol sales is:" <<sum <<endl; 

	return 0; 

}