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鸽子
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864天前#include <iostream.h> |
int main() { |
double displayed_value; |
double new_entry; |
char command_character; |
displayed_value = 0.0; |
cout << "计算器演示程序" << endl |
<< "----" << endl; |
cout << "在'>' 提示后输入一个命令字符" |
<< endl; |
cout << "Value : " << displayed_value << endl; |
cout << "command>"; |
cin >> command_character; |
while (command_character != 'Q') { |
switch(command_character) { |
case 'C': |
displayed_value = 0.0; |
break; |
case '+': |
cout << "number>"; |
cin >> new_entry; |
displayed_value += new_entry; |
break; |
case '-': |
cout << "number>"; |
cin >> new_entry; |
displayed_value -= new_entry; |
break; |
case '*': |
cout << "number>"; |
cin >> new_entry; |
displayed_value *= new_entry; |
break; |
case '/': |
cout << "number>"; |
cin >> new_entry; |
displayed_value /= new_entry; |
break; |
default: |
cout << "不可理解的输入!"; |
cin.ignore(100, '\n'); |
|
} //End of switch |
cout << "Value : " << displayed_value << endl; |
cout << "command>"; |
cin >> command_character; |
} //End of while |
return 0; |
} |
初级程序员
by: 我的程序员之路 发表于：2013-05-23 23:17:19 顶(0) | 踩(1) 回复
还以为是GUI版本的，很久没看C++了
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