[백준][Java] 2455번 지능형 기차

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import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int res=0; int max=0; for(int i=0;i<4;i++) { int a=sc.nextInt(); int b=sc.nextInt(); res += (b-a) ; if(max<res) max=res; } System.out.println(max); } }