//:?S02:Area.cpp
//?From?“Thinking?in?C++?2nd?Edition?Volume?1?Annotated?Solutions?Guide“
//?by?Chuck?Allison?（c）?2001?MindView?Inc.?all?rights?reserved
//?Available?at?www.BruceEckel.com.
//{-T}?@echo?run?Area?by?hand!
#include?
using?namespace?std;

int?main（）?{
??const?float?pi?=?3.141592654;
??cout?<??
??float?radius;
??cin?>>?radius;
??cout?<}

/*?Sample?Execution:
c:>area
Enter?the?radius:?12
The?area?is?452.389
*/?///:~

?屬性????????????大小?????日期????時間???名稱
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?????文件????????1199??2002-06-28?05:51??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\html\SimpCont.htm
?????目錄???????????0??2015-03-25?14:15??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\
?????文件????????1546??2002-06-28?05:51??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\CopyRight.txt
?????目錄???????????0??2015-03-25?14:13??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\
?????目錄???????????0??2015-03-25?14:13??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\
?????文件?????????542??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\Area.cpp
?????文件?????????477??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\FileView.cpp
?????文件?????????674??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\Fillvector.cpp
?????文件?????????644??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\Fillvector2.cpp
?????文件?????????688??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\FloatVector.cpp
?????文件????????1020??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\FloatVector2.cpp
?????文件?????????708??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\FloatVector3.cpp
?????文件?????????633??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\Hello2.cpp
?????文件?????????774??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\WordCount.cpp
?????文件?????????500??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\Words.cpp
?????文件?????????511??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\Words2.cpp
?????文件????????1956??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S02\makefile
?????目錄???????????0??2015-03-25?14:13??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\
?????文件????????1225??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\AbusingTheLanguage.cpp
?????文件?????????453??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\Enum.cpp
?????文件?????????438??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\FPtr1.cpp
?????文件?????????886??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\IEEEFloat.cpp
?????文件?????????558??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\MapFloat.cpp
?????文件????????1605??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\MapWords.cpp
?????文件?????????769??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\PointerIncrement2.cpp
?????文件?????????408??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\PrintBinary.cpp
?????文件?????????637??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\PrintBytes.cpp
?????文件?????????414??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\ProtoTest.cpp
?????文件?????????638??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\Prototypes.cpp
?????文件?????????322??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\Prototypes.h
?????文件?????????615??2002-06-27?05:11??Thinking_in_C++Annotated+Solution+Guide+for_Vol1\code\S03\StringArray.cpp
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