[SW Expert Academy] 기차 사이의 파리 (D3)

https://swexpertacademy.com/main/code/problem/problemDetail.do?problemLevel=3&contestProbId=AWajaTmaZw4DFAWM&categoryId=AWajaTmaZw4DFAWM&categoryType=CODE&problemTitle=&orderBy=PASS_RATE&selectCodeLang=JAVA&select-1=3&pageSize=10&pageIndex=10

SW Expert Academy

 

 

범위가 int 범위 안이라서 

int로 해줬는데 오답이 나와서

double로 코드를 작성해주니 정답이 나왔다.

 

import java.util.Scanner;

class Solution {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		
		for(int tc=1;tc<=t;tc++) {
			double d = sc.nextInt();
			double a = sc.nextInt();
			double b = sc.nextInt();
			double f = sc.nextInt();
			
			double time = d/(a+b);
			double ans = f*time;
			
			System.out.printf("#"+tc+" "+"%.10f \n",ans);
		}
	}
}