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Medusa Cpp Study

03 C++ Šค„ฐ””

‚จ‹ค จผ €™€„œ ‚จ‹ค Šฆ๊ฒŒ ๊ฐ„‹คŠ” งˆŒ ๊ฐ€งœผกœ...

ฐธ๊ฐ€ž: žฌ™, ๊ฐ•„šฐ, œค„ธžŒ, ๊ฐ•ฌ๊ฒฝ, ๊น€‹ • 

ž„ žฅ†Œ: 7”ผ
ž„ ‹œ๊ฐ„: ›” ~ ๊ธˆš”ผ ˜ค›„ 5‹œ + ค‘๊ฐ„ ค‘๊ฐ„  Œคœผกœ...


๊ต œ ฃผฌธ •„œ ˜ค๊ธฐ  „๊นŒ€ ‡ผ๊ฐ„€ žฌ™˜ ฑ…œผกœ •„ฐ 3 ๊นŒ€ ง„–‰•‹ˆ‹ค.

๊ต œ „ฐฉ–ˆŠต‹ˆ‹ค. น ฅธ ‹œผ ‚— ฐฐ‹ฌ•“œฆฌ๊ฒ Šต‹ˆ‹ค.

Šค„ฐ”” †ŒŠค ฝ”“œ

AcceleratedC++/Chapter0 - 7›” 22ผ
AcceleratedC++/Chapter1 - 7›” 23ผ
AcceleratedC++/Chapter2 - 7›” 24ผ
AcceleratedC++/Chapter3 - 7›” 29ผ
AcceleratedC++/Chapter4 - 8›” 7ผ(#1), 8›” 14ผ(#2)

ˆ™ œ


~cpp 
‚ฌ๊ฐ˜• - ๊ฐ€กœ, „ธกœ ž… ฅ, '*' กœ šฐ๊ธฐ
‚ผ๊ฐ˜• - ๊ฐ€กœ, „ธกœ ž… ฅ, '*' กœ šฐ๊ธฐ

 •‚ผ๊ฐ˜•
~cpp 
>> 3
  *
 * *
* * *

>> 5
    *
   * *
  *   *
 *     *
* * * * *

 •‚ฌ๊ฐ˜•
~cpp 
>> 3
* * *
*   *
* * *

>> 5
* * * * *
*       *
*       *
*       *
* * * * *

—ฌŸฌ  •ˆ˜ ๊ฐ’„ ฝ– “ค—ฌ ๊ทธ ค‘— ตœŒ€ ๊ฐ€žฅ ฐ „ค ๊ฐœ˜ ๊ฐ’“ค„ ถœ ฅ
~cpp 
>> 5 3 2 9 10 4
4 5 9 10

>> 5 3 2
2 3 5

ž… ฅ—„œ ๊ฐ€žฅ ๊ธ string˜ ๊ธธ™€ ๊ฐ€žฅ งง€ string˜ ๊ธธฅผ ถœ ฅ•˜Š” ”„กœ๊ทธžจ (";" „ งŒ‚ฌ„ •Œ ฌธž— ข…ฃŒ)
~cpp 
>> I am a boy ;
3, 1

>> Hello world ;
5, 5

งˆฐฉง„,  Œค›Œฌ
ฐธ๊ณ  žฃŒ ( 2ฐจ› ฒก„ฐ „ค •)
~cpp 
#include <iostream>
#include <vector>

using std::cin;
using std::cout;
using std::endl;
using std::vector;

int main()
{
	// 2ฐจ› ฒก„ฐ „ค •
	int size = 5; // size๊ฐ€ 5ผ...
	vector< vector<int> > board(size);
	for(int i = 0; i < size; i++)
		board[i].resize(size);

	// ถœ ฅ
	for(int r = 0; r < size; r++)
	{
		for(int c = 0; c < size; c++)
		{
			cout << board[r][c] << "\t";
		}
		cout << endl;
	}

    return 0;
}
ฐธ๊ณ  žฃŒ2 ( Œค ˆซž งŒ“ค๊ธฐ)
~cpp 
#include <iostream>
#include <ctime>

using namespace std;

int main()
{
	srand((unsigned)time(NULL));
	int a = rand() % 10; // 0€„ฐ 9๊นŒ€ ˆ˜๊ฐ€  Œค•˜๊ฒŒ ‚˜˜
	
	return 0;
}

žฅฌธ—„œ ‹จ–˜ นˆ„ˆ˜ฅผ „ธ„œ ถœ ฅ•œ‹ค. •Œ •ŒŒŒฒณˆœœผกœ ถœ ฅ. (";" „ งŒ‚ฌ„ •Œ ฌธž— ข…ฃŒ)
~cpp 
>> I am a boy. You are a girl. We are happy. ;

a 2
am 1
are 2
boy 1
girl 1
happy 1
i 1
we 1
you 1

total words: 9

žŒ๊ธฐ(Vending Machine)
ฒซฒˆงธ š”๊ตฌ‚ฌ•
~cpp 
… น–
- put {50, 100, 500, 1000} - ˆ„ „ฃ‹ค.
- choose {sprite, tea, tejava} - ŒฃŒˆ˜ „ ƒ•˜‹ค.
- draw - ˆ„ นผ‹ค.
- exit - žŒ๊ธฐฅผ – ‚œ‹ค (”„กœ๊ทธžจ ข…ฃŒ)

๊ฐ€๊ฒฉ
sprite: 400
tea: 500
tejava: 500
~cpp 
>> put 100
money: 100

>> put 500
money: 600

>> choose sprite
come out sprite!
money: 200

>> draw
chage: 200

>> exit

‘ฒˆงธ š”๊ตฌ‚ฌ•
~cpp 
- ƒ•œ ˆ •ˆจ
- ƒ•œ … น– •ˆจ
- ŒฃŒˆ˜๊ฐ€ ˆ˜Ÿ‰(ˆ๊ธฐ—Š” ‘ 3๊ฐœ)„ ๊ฐ€€๊ณ  ‹ค –จ–€ ’ˆ ˆ ถœ ฅ
~cpp 
>> address
incorrect command!

>> put 1000
money: 1000

>> put 1000
money: 2000

>> put 123
incorrect money!

>> choose sprite
come out sprite! rest amount: 2
money: 1600

>> choose sprite
come out sprite! rest amount: 1
money: 1200

>> choose sprite
come out sprite! rest amount: 0
money: 800

>> choose sprite
run out of sprite!
money: 800

„ธฒˆงธ š”๊ตฌ‚ฌ•
~cpp 
- ŒฃŒˆ˜ milk (600›) ถ”๊ฐ€
- ŒฃŒˆ˜ tea, milkงŒ {hot, cold} „ ƒ
- “  •ˆ˜ 30 ผธ ‚
~cpp 
>> put 1000
money: 1000

>> choose hot milk
come out hot milk! rest amount: 2
money: 400


Šค ˆ“œ

‚ผ๊ฐ˜• ๊ทธฆฌŠ”ฐ •ฝ๊ฐ„ ฌธ œ๊ฐ€ žˆŠ”๊ฑฐ ๊ฐ™€ฐš”..
ฐ‘€‹ค †’๊ฐ€ ๊ธธ '*'ฅผ ฐ๊ธฐ๊ฐ€ ๊ณคž€•˜๊ฑฐ“ š”? “ฑ€‚ผ๊ฐ˜• ๊ทธฆฌ๊ธฐ„ งˆฐฌ๊ฐ€€ œ กœ งŒงŒฐฎ„ค—ฌ..-_-;;
๊ทธƒง๊ฐ“ฑ€‚ผ๊ฐ˜•‚˜  •‚ผ๊ฐ˜•๊ทธฆฌ๊ธฐ •˜ ––จ๊นŒ—ฌ? --๊ฐ•„šฐ
 •‚ผ๊ฐ˜• •„ ˜๊ณ ... ญ˜ งŒ“ค–„ ˜๊ณ ... ‚๊ฐ€ ›•˜Š” ๊ฑ for‚˜ while, if „ค๊ณ„ฅผ ž˜•˜Š” ๊ฑฐ•ผ... --žฌ™

Accelerated C++ ฑ… ง‘— „ฐฉ–ˆ‹ค. :) --žฌ™

—› ˆ™ œ –””๊ฐ„๊ฒจ,,,,,ใ…กใ…ก --๊ฐ•ฌ๊ฒฝ


• ˆ— ˆซž 4๊ฐœ ฏธงŒž… ฅ ฐ›„•Œฅผ ƒ๊ฐ –ˆ”‹ˆงŒ †ŒŠค๊ฐ€ ๊ตฌฆฌ๊ตฌฆฌ•˜„ค—ฌ..
ŠคŠธง ๊ธธ ถœ ฅ•˜Š” ”„กœ๊ทธžจ€ ฐจ›„— –„œ •  ๊ณ„šž…‹ˆ‹ค..ใ…ก,.ใ…ก;; --๊ฐ•„šฐ

‚ฌ๊ฐ˜• งฐŠ”ฐš”..ญ๊ฐ€ ‹€ฆฐ๊ฑ€ ๊ฒ –š”..1๊ฐœ˜ —Ÿฌ๊ฐ€ ž๊พธ œจŠ”ฐ..‹ • 

~cpp 
else (c % 2 == 0) 
   cout << " ";
€ถ„—„œ else ‹คŒ— กฐ๊ฑฌธ„ ˜ ‹ฌ ค else ifกœ ฐ”๊พธ– ค˜•€... ฐ‘—ฒ˜Ÿผ...
~cpp 
else if (c % 2 == 0) 
   cout << " ";
 ‡๊ฒŒ •˜ —ŸฌŠ” —†€งŒ ๊ฒฐ๊ณผ๊ฐ€ •„ง€ ƒ•˜‹ค. šฐ„ € ŠคŠคกœ ๊ณ ณ. --žฌ™

˜–˜ ‚ฌฆˆฅผ ฝ„ก ––๊ฒŒ งŒ“ค–š”?˜ˆฅผ “ค– i๊ฐ€ 1๊ณ ,son 3ผ๊ณ  ƒ๊ฐ•˜„ก ––๊ฒŒ งŒ“ค–••˜Š”€ ๊ฒ –š”.. -_-;;; ‹ • 
strlen()•ˆ˜ šฉ•˜‹œ˜ค --๊ฐ•ฌ๊ฒฝ

Vending machine ‹ค งœ๊ธ งฐŠ”ฐ ˜ ˜• ง ๊ฑฐž‘ น„Šท•˜๊ฒŒ „ค—ฌ..†ˆ˜ ๊ธฐ–ต ฅž€..ใ…Žใ…Ž
 159ผธ๊ณ  choose•ˆ˜๊ฐ€ 30ผธ „˜–„œ –๊ฑฐ€กœ vend•ˆ˜ฅผ งŒ“ค—ˆ๊ตฌ—ฌ..-_-;;
•ˆŒŒŠ” ŒฃŒˆ˜„ ˜ˆ™ฒ˜ฆฌ –ˆŠต‹ˆ‹ค..--๊ฐ•„šฐ


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