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Medusa Cpp Study

03 C++ Šค„ฐ๋””

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

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

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


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

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

Šค„ฐ๋”” †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, „ธ๋กœ ž…๋ ฅ, '*' ๋กœ ฒดšฐ๊ธฐ
‚ผ๊ฐ˜• - ๊ฐ€๋กœ, „ธ๋กœ ž…๋ ฅ, '*' ๋กœ ฒดšฐ๊ธฐ

 •‚ผ๊ฐ˜•
~cpp 
>> 3
  *
 * *
* * *

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

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

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

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

>> 5 3 2
2 3 5

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

>> Hello world ;
5, 5

๋งˆ๋ฐฉ„, ๋ Œ๋ค›Œฌ
ฐธ๊ณ  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; // size๊ฐ€ 5๋ผ๋ฉด...
	vector< vector<int> > board(size);
	for(int i = 0; i < size; i++)
		board[i].resize(size);

	// ถœ๋ 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 (๋ Œ๋ค ˆž ๋งŒ๋“ค๊ธฐ)
~cpp 
#include <iostream>
#include <ctime>

using namespace std;

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

žฅ๋ฌธ—„œ ๋‹จ–ด˜ ๋นˆ๋„ˆ˜๋ฅผ „„œ ถœ๋ ฅ•œ๋‹ค. ด๋•Œ •ŒŒŒ๋ฒณˆœœผ๋กœ ถœ๋ 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•ญ
~cpp 
๋ช…๋ น–ด
- put {50, 100, 500, 1000} - ๋ˆ„„ฃ๋‹ค.
- choose {sprite, tea, tejava} - Œ๋ฃŒˆ˜ „ ƒ•˜๋‹ค.
- draw - ๋ˆ„ ๋นผ๋‹ค.
- exit - žŒ๊ธฐ๋ฅผ ๋– ๋‚œ๋‹ค (”„๋กœ๊ทธ๋žจ 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•ญ
~cpp 
- ดƒ•œ ๋ˆ •ˆ๋จ
- ดƒ•œ ๋ช…๋ น–ด •ˆ๋จ
- Œ๋ฃŒˆ˜๊ฐ€ ˆ˜๋Ÿ‰(ˆ๊ธฐ—๋Š” ๋ชจ๋‘ 3๊ฐœ)„ ๊ฐ€ง€๊ณ  ๋‹ค ๋–จ–ดง€๋ฉด ’ˆ ˆ ถœ๋ 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

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

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


Šค๋ ˆ๋“œ

‚ผ๊ฐ˜• ๊ทธ๋ฆฌ๋Š”๋ฐ •ฝ๊ฐ„ ๋ฌธ œ๊ฐ€ žˆ๋Š”๊ฐ ๊ฐ™€๋ฐš”..
๋ฐ‘๋ณ€๋ณด๋‹ค ๋†’ด๊ฐ€ ๊ธธ๋ฉด '*'๋ฅผ ฐ๊ธฐ๊ฐ€ ๊ณค๋ž€•˜๊ฐ๋“ š”? ด๋“๋ณ€‚ผ๊ฐ˜• ๊ทธ๋ฆฌ๊ธฐ๋„ ๋งˆฐฌ๊ฐ€ง€ ดœ ๋กœ ๋งŒ๋งŒฐฎ๋„—ฌ..-_-;;
๊ทธ๋ƒฅ ง๊ฐด๋“๋ณ€‚ผ๊ฐ˜•ด๋‚˜  •‚ผ๊ฐ˜•๊ทธ๋ฆฌ๊ธฐ •˜๋ฉด –ด๋–จ๊นŒ—ฌ? --๊ฐ•„šฐ
 •‚ผ๊ฐ˜• •ด๋„ ๋˜๊ณ ... ๋ญ˜ ๋งŒ๋“ค–ด๋„ ๋˜๊ณ ... ๋‚ด๊ฐ€ ›•˜๋Š” ๊ด for๋‚˜ while, if „ค๊ณ„๋ฅผ ž˜•˜๋Š” ๊•ผ... --žฌ๋™

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

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


• ˆ— ˆž 4๊ฐœ ๋ฏธ๋งŒž…๋ ฅ ๋ฐ›„๋•Œ๋ฅผ ƒ๊ฐ ๋ชป–ˆ๋”๋‹ˆ๋งŒ †ŒŠค๊ฐ€ ๊ตฌ๋ฆฌ๊ตฌ๋ฆฌ•˜๋„—ฌ..
ŠคŠธ๋ง ๊ธธด ถœ๋ ฅ•˜๋Š” ”„๋กœ๊ทธ๋žจ€ ฐจ›„— ด–ด„œ •  ๊ณ„šž…๋‹ˆ๋‹ค..ใ…ก,.ใ…ก;; --๊ฐ•„šฐ

‚ฌ๊ฐ˜• งฐ๋Š”๋ฐš”..๋ญ๊ฐ€ ‹€๋ฆฐ๊ง€ ๋ชจ๋ฅด๊ฒ –ดš”..1๊ฐœ˜ —๋Ÿฌ๊ฐ€ ž๊พธ ๋œจ๋Š”๋ฐ..‹ • 

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

˜–ด˜ ‚ฌดˆ๋ฅผ ฝ๋„๋ก –ด๋–ป๊ฒŒ ๋งŒ๋“ค–ดš”?˜ˆ๋ฅผ ๋“ค–ด i๊ฐ€ 1ด๊ณ ,sonด 3ด๋ผ๊ณ  ƒ๊ฐ•˜๋„๋ก –ด๋–ป๊ฒŒ ๋งŒ๋“ค–ด•ผ•˜๋Š”ง€ ๋ชจ๋ฅด๊ฒ –ดš”.. -_-;;; ‹ • 
strlen()•จˆ˜ ดšฉ•˜‹œ˜ค --๊ฐ•ฌ๊ฒฝ

Vending machine ๋‹ค งœ๊ธด งฐ๋Š”๋ฐ ๋˜ ˜•ด ง ๊ฐ๋ž‘ ๋น„Šท•˜๊ฒŒ ๋๋„—ฌ..ด๋†ˆ˜ ๊ธฐ–ต๋ ฅด๋ž€..ใ…Žใ…Ž
ด 159๋ผธด๊ณ  choose•จˆ˜๊ฐ€ 30๋ผธด ๋„˜–ด„œ –ด๊ง€๋กœ vend•จˆ˜๋ฅผ ๋งŒ๋“ค—ˆ๊ตฌ—ฌ..-_-;;
•ˆŒŒ๋Š” Œ๋ฃŒˆ˜๋„ ˜ˆ™ธฒ˜๋ฆฌ –ˆŠต๋‹ˆ๋‹ค..--๊ฐ•„šฐ


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