[브론즈 III] 2455번 :: 지능형 기차 / Java

 

 

 

 

문제

https://www.acmicpc.net/problem/2455

2455번: 지능형 기차

 

 

 

 

 

코드

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

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st;
        int sum = 0;
        int max = 0;

        for(int i=0; i<4; i++) {
            st = new StringTokenizer(br.readLine());
            int out = Integer.parseInt(st.nextToken());
            int in = Integer.parseInt(st.nextToken());

            sum -= out;
            sum += in;

            if(sum>=max) {
                max = sum;
            }
        }

        System.out.println(max);
    }
}