[Baekjoon] 1008๋ฒˆ A/B

Hyeonaยท2021๋…„ 7์›” 8์ผ
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๐Ÿ“— Baekjoon

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๐Ÿ“ฃ
Baekjoon์—์„œ PASS๋œ ์ฝ”๋“œ๋งŒ ์—…๋ฐ์ดํŠธํ•ฉ๋‹ˆ๋‹ค.
์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ๋จผ์ € ํ’€์ดํ•˜๋Š” ์–ธ์–ด(Java)๊ฐ€ ์ •ํ•ด์ ธ์žˆ์–ด,
ํ’€์ด ์–ธ์–ด(Python, C++, Java)๊ฐ€ ๋ชจ๋‘ ์—…๋ฐ์ดํŠธ๋  ๋•Œ๊นŒ์ง€๋Š” ์‹œ๊ฐ„์ด ๊ฑธ๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๋ฌธ์ œ ์ œ์‹œ


๋ฌธ์ œ

๋‘ ์ •์ˆ˜ A์™€ B๋ฅผ ์ž…๋ ฅ๋ฐ›์€ ๋‹ค์Œ, A/B๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค.

์ž…๋ ฅ

์ฒซ์งธ ์ค„์— A์™€ B๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (0 < A, B < 10)

์ถœ๋ ฅ

์ฒซ์งธ ์ค„์— A/B๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. ์‹ค์ œ ์ •๋‹ต๊ณผ ์ถœ๋ ฅ๊ฐ’์˜ ์ ˆ๋Œ€์˜ค์ฐจ ๋˜๋Š” ์ƒ๋Œ€์˜ค์ฐจ๊ฐ€ 10-9 ์ดํ•˜์ด๋ฉด ์ •๋‹ต์ด๋‹ค.



๋ฌธ์ œ ํ’€์ด


๊นŠ๊ฒŒ ์„ค๋ช…ํ•  ๋‚ด์šฉ์ด ์—†์Šต๋‹ˆ๋‹ค ๐Ÿ˜€
์ •์ˆ˜๋Š” ๋‘๊ฐœ๊ฐ€ ์ž…๋ ฅ๋˜๋ฉฐ, ์ด ๊ฒฐ๊ณผ๋ฅผ ํ•œ ์ค„์— ์ถœ๋ ฅํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค.
๋‹จ ์ค‘์š”ํ•œ ์ ์€ ๊ฐ ์ž๋ฆฌ์ˆ˜์˜ ์ƒ๋Œ€ ์˜ค์ฐจ ์ด๋‚ด๋กœ ํ‘œ๊ธฐ๋˜์–ด์•ผ ํ•˜๊ธฐ ๋•Œ๋ฌธ์—, ์ž๋ฃŒํ˜•์˜ ๋ณ€ํ™”๋ฅผ ์ œ๋Œ€๋กœ ์ดํ•ดํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.
ํŠนํžˆ ์ž…๋ ฅ์˜ ์˜ˆ์‹œ๋Š” ์ •์ˆ˜ํ˜•์ด์ง€๋งŒ ์ถœ๋ ฅ ๊ฒฐ๊ณผ๋Š” ์‹ค์ˆ˜ํ˜•์ด๊ธฐ ๋•Œ๋ฌธ์— ์ด๋„ ์ž˜ ํ™•์ธํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.



๋ฌธ์ œ ์ฝ”๋“œ


Python

indata = input("")
indata = list(map(int, indata.split()))
print(indata[0]/indata[1])

C++

#include <iostream>
using namespace std;

int main() {
	double num1, num2, div;

	cin >> num1 >> num2;
	cout << fixed;
	cout.precision(9);
	div = num1 / num2;
	cout << div << endl;
}

Java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		
		double sum = Integer.parseInt(st.nextToken());
		sum /= Integer.parseInt(st.nextToken());
		
		System.out.println(sum);

	}

}



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