.....................HEY GUYS,I GOT THE ANSWER.PLEASE CHECK OUT AT BOTTOM.....................
ThAnKs可以满足您的需求!
如何打印for循环中输入的for循环外的所有字符?它只打印在for循环中输入的最后一个字符
在void shop :: getdata()的输出中输入所有4个项目的名称和价格只输出在void shop :: getdata()中最后输入的项目的名称4次在void shop :: putdata()输出价格是正确的,它打印有序 . 项目名称有什么问题?
Question :WAP存储5个项目的价格表并打印最大价格以及所有价格和价格表的总和 .
#include<iostream.h>
#include<conio.h>
#include<string.h>
class shop
{
int i;
char item[50];
float price[50];
public:
void getdata();
void putdata();
float sum();
float lar();
};
void shop::getdata()
{
for(i = 0; i <= 4; i++)
{
cout << "Enter the item name:" << "\n";
cin >> item;
cout << "Enter price:" << "\n";
cin >> price[i];
}
}
void shop::putdata()
{
cout << "\t\tPRICE LIST" << "\n";
cout << "\t\t**********" << "\n";
cout << "ITEM NAME\t\t\tPRICE" << "\n";
cout << "*********\t\t\t*****" << "\n";
for(i = 0; i <= 4; i++)
{
cout << item << "\t\t\t\t";
cout << price[i] << "\n";
}
}
float shop::sum()
{
float sum = 0;
for( i= 0; i <= 4; i++)
{
sum = sum + price[i];
}
cout << "\t\t\t\tsum is:" << sum << "\n";
return sum;
}
float shop::lar()
{
float lar;
lar = price[0];
for(i = 0; i <= 4; i++)
{
if (price[i] > lar)
lar = price[i];
}
cout << "\t\t\tlargest is:" << lar;
return lar;
}
void main()
{
shop x;
int c;
clrscr();
x.getdata();
do
{
cout << "\n\n1.PRICE LIST\n";
cout << "2.SUM\n";
cout << "3.LARGEST\n";
cout << "4.EXIT\n";
cout << "Enter your choice\n";
cin >> c;
switch (c)
{
case 1:
x.putdata();
break;
case 2:
x.sum();
break;
case 3:
x.lar();
break;
default:
cout << "PRESS ANY KEY TO EXIT\n";
break;
}
}
while(c >= 1 && c <= 3);
getch();
}
ANSWER
#include<iostream.h>
#include<conio.h>
#include<string.h>
class shop
{
int i;
char item[50];
float price;
float e[10];
public:
void getdata();
void putdata();
float sum();
float lar();
};
void shop::getdata()
{
cout << "Enter the item name:" << "\n";
cin >> item;
cout << "Enter price:" << "\n";
cin >> price;
}
void shop::putdata()
{
cout << item << "\t\t\t\t";
cout << price << "\n";
}
float shop::sum()
{
float sum = 0;
for( i= 0; i <= 4; i++)
{
cout<<"Enter prices"<<"\n";
cin>>e[i];
sum = sum + e[i];
}
cout << "\t\t\t\tsum is:" << sum << "\n";
return sum;
}
float shop::lar()
{
float lar;
lar = e[0];
for(i = 0; i <= 4; i++)
{
if (e[i] > lar)
lar = e[i];
}
cout << "\t\t\tlargest is:" << lar;
return lar;
}
void main()
{
shop x[10];
int c,i;
clrscr();
for(i=0;i<=4;i++)
x[i].getdata();
do
{
cout << "\n\n1.PRICE LIST\n";
cout << "2.SUM\n";
cout << "3.LARGEST\n";
cout << "4.EXIT\n";
cout << "Enter your choice\n";
cin >> c;
switch (c)
{
case 1:
for(i=0;i<=4;i++)
x[i].putdata();
break;
case 2:
x[i].sum();
break;
case 3:
x[i].lar();
break;
default:
cout << "PRESS ANY KEY TO EXIT\n";
break;
}
}
while(c >= 1 && c <= 3);
getch();
}
2 回答
稍微更现代的商店看起来像这样:
它不是完美的C风格,但仍然使代码易于阅读 .
它__19594_重新询问(你会很好地缩进你的代码并提出更清晰的问题),但我认为你的问题(好吧,主要是你're referring to!) is how you'处理
item
名称 .你已经宣布你的商店包含50个
char
的数组 - 即50个单个字符 . 由于你有一个50price
的数组,你几乎肯定想要一个包含50个字符串的数组 . 在基本C中,这将是char *item[50]
,一个由50个动态分配的char数组组成的数组 . 因为've tagged this as C++, though, you'最好使用string .