[SWEA] 등차수열 만들기

 

 

[문제]

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AYo-e9EKmGoDFAQI

SW Expert Academy

 

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Solution {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st;
		int T = Integer.parseInt(br.readLine());
		for(int tc=1;tc<=T;tc++) {
			st = new StringTokenizer(br.readLine());
			double a = Double.parseDouble(st.nextToken());
			double b = Double.parseDouble(st.nextToken());
			double c = Double.parseDouble(st.nextToken());
			double result = Math.abs((a+c)/2 - b);
			System.out.println("#"+tc+" "+result);
		}
	}
}