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Android DevLog

๐Ÿ”คํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด/C++๊ธฐ์ดˆํ”Œ๋Ÿฌ์Šค ์—ฐ์Šต๋ฌธ์ œ

(C++๊ธฐ์ดˆํ”Œ๋Ÿฌ์Šค 6ํŒ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ฐ์Šต ์ •๋‹ต,์†”๋ฃจ์…˜) CHAPTER 06 ๋ถ„๊ธฐ ๊ตฌ๋ฌธ๊ณผ ๋…ผ๋ฆฌ ์—ฐ์‚ฐ์ž p.370~371 6๋ฒˆ~9๋ฒˆ

2020. 4. 30. 18:02
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6๋ฒˆ

#include<iostream>
struct donation_info {
	char name[20];
	double donation;
};
int main()
{
	using namespace std;
	cout << "๊ธฐ๋ถ€ํ•  ์‚ฌ๋žŒ ์ˆ˜ ? ";
	int n, print_n = 0;
	cin >> n;
	donation_info * SPRI = new donation_info[n];

	for (int i = 0; i < n; i++)
	{
		cout << i + 1 << "๋ฒˆ ์งธ ๊ธฐ๋ถ€์ž ์ด๋ฆ„ : "; cin >> (SPRI + i)->name;
		cout << (SPRI + i)->name << "๋‹˜์˜ ๊ธฐ๋ถ€ ๊ธˆ์•ก : "; cin >> (SPRI + i)->donation;
	}
	cout << "๊ณ ์•ก ๊ธฐ๋ถ€์ž\n";
	for (int i = 0; i < n; i++)
	{
		if ((SPRI + i)->donation >= 10000)
		{
			cout << (SPRI + i)->name << "	$" << (SPRI + i)->donation << endl;
			print_n = 1;
		}
	}
	if (print_n-- != 1) cout << "๊ธฐ๋ถ€์ž๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.\n";
	cout << "์†Œ์•ก ๊ธฐ๋ถ€์ž\n";
	for (int i = 0; i < n; i++)
	{
		if ((SPRI + i)->donation < 10000)
		{
			cout << (SPRI + i)->name << "	$" << (SPRI + i)->donation << endl;
			print_n = 1;
		}
	}
	if (print_n != 1) cout << "๊ธฐ๋ถ€์ž๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.\n";
	return 0;
}

 

 

7๋ฒˆ

#include<iostream>
#include<cctype>
#include<string>
int main()
{
	using namespace std;
	string word;
	int vowel=0, consonant=0,Else=0;
	cout << "๋‹จ์–ด๋“ค์„ ์ž…๋ ฅํ•˜์‹œ์˜ค (๋๋‚ด๋ ค๋ฉด q) :\n";
	cin >> word;
	while (word != "q")
	{
		if (isalpha(word[0]))
		{
			switch (word[0])
			{
			case 'a':
			case 'A':
				vowel++; break;
			case 'e':
			case 'E':
				vowel++; break;
			case 'i':
			case 'I':
				vowel++; break;
			case 'o':
			case 'O':
				vowel++; break;
			case 'u':
			case 'U':
				vowel++; break;
			default:
				consonant++; break;
			}
		}
		else
			Else++;
		cin >> word;
	}
	cout << "๋ชจ์Œ์œผ๋กœ ์‹œ์ž‘ํ•˜๋Š” ๋‹จ์–ด ์ˆ˜: " << vowel << endl;
	cout << "์ž์Œ์œผ๋กœ ์‹œ์ž‘ํ•˜๋Š” ๋‹จ์–ด ์ˆ˜: " << consonant << endl;
	cout << "๊ธฐํƒ€: " << Else << endl;
	return 0;
}

 

8๋ฒˆ

#include<iostream>
#include<fstream>
#include<cstdlib>
const int SIZE = 20;
int main()
{
	using namespace std;
	char filename[SIZE];
	ifstream inFile;
	cout << "์ฝ์„ ํŒŒ์ผ๋ช… ์ž…๋ ฅ : ";
	cin.getline(filename, SIZE);
	inFile.open(filename);
	if (!inFile.is_open())
	{
		cout << "ํŒŒ์ผ ์—ด๊ธฐ ์‹คํŒจ" << endl;
		exit(EXIT_FAILURE);
	}
	char ch;
	int count = 0;
	inFile >> ch;
	while (inFile.good())
	{
		++count;
		inFile >> ch;
	}
	if (inFile.eof())
		cout << "ํŒŒ์ผ ๋์— ๋„๋‹ฌ\n";
	if (count == 0)
		cout << "๋ฐ์ดํ„ฐ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.\n";
	else
		cout << "๋ฌธ์ž ์ˆ˜ : " << count << endl;
	inFile.close();
	return 0;
}

 

9๋ฒˆ

#include<iostream>
#include<fstream>
#include<cstdlib>
const int SIZE = 20;
struct donation_info {
	char name[20];
	double donation;
};
int main()
{
	using namespace std;
	char filename[SIZE];
	ifstream inFile;
	cout << "์ฝ์„ ํŒŒ์ผ๋ช… ์ž…๋ ฅ : ";
	cin.getline(filename, SIZE);
	inFile.open(filename);
	if (!inFile.is_open())
	{
		cout << "ํŒŒ์ผ ์—ด๊ธฐ ์‹คํŒจ" << endl;
		exit(EXIT_FAILURE);
	}
	int n, print_n = 0;
	(inFile >> n).get();
	donation_info* SPRI = new donation_info[n];

	for (int i = 0; i < n; i++)
	{
		inFile.getline((SPRI + i)->name, SIZE);
		(inFile >> (SPRI + i)->donation).get();
	}
	cout << "๊ณ ์•ก ๊ธฐ๋ถ€์ž\n";
	for (int i = 0; i < n; i++)
	{
		if ((SPRI + i)->donation >= 10000)
		{
			cout << (SPRI + i)->name << "	$" << (SPRI + i)->donation << endl;
			print_n = 1;
		}
	}
	if (print_n-- != 1) cout << "๊ธฐ๋ถ€์ž๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.\n";
	cout << "์†Œ์•ก ๊ธฐ๋ถ€์ž\n";
	for (int i = 0; i < n; i++)
	{
		if ((SPRI + i)->donation < 10000)
		{
			cout << (SPRI + i)->name << "	$" << (SPRI + i)->donation << endl;
			print_n = 1;
		}
	}
	if (print_n != 1) cout << "๊ธฐ๋ถ€์ž๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.\n";
	inFile.close();
	return 0;
}
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์ €์ž‘์žํ‘œ์‹œ ๋น„์˜๋ฆฌ (์ƒˆ์ฐฝ์—ด๋ฆผ)
    '๐Ÿ”คํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด/C++๊ธฐ์ดˆํ”Œ๋Ÿฌ์Šค ์—ฐ์Šต๋ฌธ์ œ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
    • (C++๊ธฐ์ดˆํ”Œ๋Ÿฌ์Šค 6ํŒ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ฐ์Šต ์ •๋‹ต,์†”๋ฃจ์…˜) CHAPTER 07 ํ•จ์ˆ˜-C++์˜ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ๋ชจ๋“ˆ p.462~ 7๋ฒˆ~10๋ฒˆ
    • (C++๊ธฐ์ดˆํ”Œ๋Ÿฌ์Šค 6ํŒ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ฐ์Šต ์ •๋‹ต,์†”๋ฃจ์…˜) CHAPTER 07 ํ•จ์ˆ˜-C++์˜ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ๋ชจ๋“ˆ p.461~ 1๋ฒˆ~6๋ฒˆ
    • (C++๊ธฐ์ดˆํ”Œ๋Ÿฌ์Šค 6ํŒ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ฐ์Šต ์ •๋‹ต,์†”๋ฃจ์…˜) CHAPTER 06 ๋ถ„๊ธฐ ๊ตฌ๋ฌธ๊ณผ ๋…ผ๋ฆฌ ์—ฐ์‚ฐ์ž p.368~370 1๋ฒˆ~5๋ฒˆ
    • (C++๊ธฐ์ดˆํ”Œ๋Ÿฌ์Šค 6ํŒ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ฐ์Šต ์ •๋‹ต,์†”๋ฃจ์…˜) CHAPTER 05 ๋ฃจํ”„์™€ ๊ด€๊ณ„ ํ‘œํ˜„์‹ p.304~ 7๋ฒˆ~10๋ฒˆ
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