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Medusa Cpp Study

03 C++ Šค„ฐ๋””

๋‚จ๋ณด๋‹ค ๋จผ €™€„œ ๋‚จ๋ณด๋‹ค ๋ŠฆฒŒ „‹ค๋Š” ๋งˆŒ ฐ€งœผ๋กœ...

ฐธฐ€ž: žฌ๋™, •„šฐ, œ„ธ๋žŒ, •ฒฝ, น€‹ • 

๋ชจž„ žฅ†Œ: 7”ผ
๋ชจž„ ‹œ„: ›” ~ ธˆš”˜›„ 5‹œ + ‘„ ‘„ Œ๋คœผ๋กœ...


ต œ ฃผ๋ฌธ •„œ ˜ธฐ  „นŒง€ ๋ช‡„€ žฌ๋™˜ ฑ…œผ๋กœ •„ฐ 3 นŒง€ „–‰•ฉ๋‹ˆ๋‹ค.

ต œ ๋„ฐฉ–ˆŠต๋‹ˆ๋‹ค. ๋น ๋ฅธ ‹œผ ๋‚ด— ๋ฐฐ๋‹•ด๋“œ๋ฆฌ Šต๋‹ˆ๋‹ค.

Šค„ฐ๋”” †ŒŠค ฝ”๋“œ

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

ˆ™ œ


~cpp 
‚ฌฐ˜• - ฐ€๋กœ, „ธ๋กœ ž…๋ ฅ, '*' ๋กœ ฒดšฐธฐ
‚ผฐ˜• - ฐ€๋กœ, „ธ๋กœ ž…๋ ฅ, '*' ๋กœ ฒดšฐธฐ

 •‚ผฐ˜•
~cpp 
>> 3
  *
 * *
* * *

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

 •‚ฌฐ˜•
~cpp 
>> 3
* * *
*   *
* * *

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

—ฌ๋Ÿฌ  •ˆ˜ ฐ’„ –ด ๋“ค—ฌ ‘— œ๋Œ€ ฐ€žฅ ฐ ๋„œ˜ ฐ’๋“ค„ œ 
~cpp 
>> 5 3 2 9 10 4
4 5 9 10

>> 5 3 2
2 3 5

ž…๋ —„œ ฐ€žฅ ธด string˜ ธธ™€ ฐ€žฅ งง€ string˜ ธธด๋ฅผ œ •˜๋Š” ”„๋กœธ๋žจ (";" „ ๋งŒ๋‚ฌ„•Œ ๋ฌธž—ด ข…๋ฃŒ)
~cpp 
>> I am a boy ;
3, 1

>> Hello world ;
5, 5

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

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

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

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

    return 0;
}
ฐธ  ž๋ฃŒ2 (๋ Œ๋ค ˆซž ๋งŒ๋“คธฐ)
~cpp 
#include <iostream>
#include <ctime>

using namespace std;

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

žฅ๋ฌธ—„œ‹–ด˜ ๋นˆ๋„ˆ˜๋ฅผ „„œ œ •œ‹ค. ด๋•Œ •ŒŒŒ๋ฒณˆœœผ๋กœ œ ฅ. (";" „ ๋งŒ๋‚ฌ„•Œ ๋ฌธž—ด 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)
ฒซ๋ฒˆงธ š”ตฌ‚ฌ•
~cpp 
๋ช…๋ –ด
- put {50, 100, 500, 1000} - ๋ˆ„„ฃ๋‹ค.
- choose {sprite, tea, tejava} - Œ๋ฃŒˆ˜ „ ƒ•˜‹ค.
- draw - ๋ˆ„ ๋นผ๋‹ค.
- exit - žŒธฐ๋ฅผ ๋– ๋‚œ‹ค (”„๋กœธ๋žจ 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 •ˆ๋จ
- ƒ•œ ๋ช…๋ –ด •ˆ๋จ
- Œ๋ฃŒˆ˜ฐ€ ˆ˜๋Ÿ‰(ดˆธฐ—๋Š” ๋ชจ๋‘ 3œ)„ ฐ€ง€ ‹ค ๋–จ–ดง€๋ฉด ’ˆ ˆ œ 
~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

„ธ๋ฒˆงธ š”ตฌ‚ฌ•
~cpp 
- Œ๋ฃŒˆ˜ milk (600›) ถ”ฐ€
- Œ๋ฃŒˆ˜ tea, milk๋งŒ {hot, cold} „ ƒ
- ๋ชจ๋“  •ˆ˜ 30 ๋ด๋‚ด
~cpp 
>> put 1000
money: 1000

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


Šค๋ ˆ๋“œ

‚ผฐ˜• ธ๋ฆฌ๋Š”๋ฐ •„ ๋ฌธ œฐ€ žˆ๋Š”ฑฐ ฐ™€๋ฐš”..
๋ฐ‘๋ณ€๋ณด๋‹ค ๋†’ฐ€ ธธ๋ฉด '*'๋ฅผ ฐธฐฐ€ ณค๋ž€•˜ฑฐ๋“ š”? ด๋“ฑ๋ณ€‚ผฐ˜• ธ๋ฆฌธฐ๋„ ๋งˆฐฌฐ€ง€ œ ๋กœ ๋งŒ๋งŒฐฎ๋„—ฌ..-_-;;
ธ๋ƒฅ งฐด๋“ฑ๋ณ€‚ผฐ˜•ด๋‚˜  •‚ผฐ˜•ธ๋ฆฌธฐ •˜๋ฉด –ด๋–จนŒ—ฌ? --•„šฐ
 •‚ผฐ˜• •ด๋„ ๋˜ ... ๋ญ˜ ๋งŒ๋“ค–ด๋„ ๋˜ ... ๋‚ดฐ€ ›•˜๋Š” ฑด for๋‚˜ while, if „„๋ฅผ ž˜•˜๋Š” ฑฐ•ผ... --žฌ๋™

Accelerated C++ ฑ… ‘— ๋„ฐฉ–ˆ๋‹ค. :) --žฌ๋™

—› ˆ™ œ –ด๋””„ฒจ,,,,,ใ…กใ…ก --•ฒฝ


• ดˆ— ˆซž 4œ ๋ฏธ๋งŒž…๋ ฅ ๋ฐ›„•Œ๋ฅผ ƒฐ ๋ชป–ˆ๋”๋‹ˆ๋งŒ †ŒŠคฐ€ ตฌ๋ฆฌตฌ๋ฆฌ•˜„—ฌ..
ŠคŠธ๋ง ธธœ •˜๋Š” ”„๋กœธ๋žจ€ ฐจ›„— –ด„œ •  „šž…๋‹ˆ๋‹ค..ใ…ก,.ใ…ก;; --•„šฐ

‚ฌฐ˜• งฐ๋Š”๋ฐš”..๋ญฐ€ ‹€๋ฆฐฑดง€ ๋ชจ๋ฅด –ดš”..1œ˜ —๋Ÿฌฐ€ žพธ ๋œจ๋Š”๋ฐ..‹ • 

~cpp 
else (c % 2 == 0) 
   cout << " ";
ด๋ถ€๋ถ„—„œ else ๋‹Œ— กฐฑด๋ฌธ„˜ ๋‹ฌ๋ ค๋ฉด else if๋กœ ๋ฐ”พธ–ด ˜•ง€... ๋ฐ‘—˜๋Ÿผ...
~cpp 
else if (c % 2 == 0) 
   cout << " ";
ด๋ ‡ฒŒ •˜๋ฉด —๋Ÿฌ๋Š” —†ง€๋งŒ ฒฐณผฐ€ •„ง€ ƒ•˜‹ค. šฐ„ € ŠคŠค๋กœ  ณ๋ด. --žฌ๋™

˜–ด˜ ‚ฌฆˆ๋ฅผ ฝ๋„๋ก –ด๋–ปฒŒ ๋งŒ๋“ค–ดš”?˜ˆ๋ฅผ ๋“ค–ด iฐ€ 1 ,sonด 3ด๋  ƒฐ•˜๋„๋ก –ด๋–ปฒŒ ๋งŒ๋“ค–ด••˜๋Š”ง€ ๋ชจ๋ฅด –ดš”.. -_-;;; ‹ • 
strlen()•ˆ˜ šฉ•˜‹œ˜ค --•ฒฝ

Vending machine ๋‹œธด งฐ๋Š”๋ฐ ๋˜ ˜• ฑฐ๋ž‘ ๋น„Š•˜ฒŒ ๋๋„—ฌ..ด๋†ˆ˜ ธฐ–ต๋ ด๋ž€..ใ…Žใ…Ž
 159๋  choose•ˆ˜ฐ€ 30๋ด ๋„˜–ด„œ –ดฑฐง€๋กœ vend•ˆ˜๋ฅผ ๋งŒ๋“ค—ˆตฌ—ฌ..-_-;;
•ˆŒŒ๋Š” Œ๋ฃŒˆ˜๋„ ˜ˆ™ธ˜๋ฆฌ –ˆŠต๋‹ˆ๋‹ค..--•„šฐ


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