[백준 Java] 2908: 상수

1. 문제

2. 맞춘코드

import java.util.Scanner;

/*
734 893 -> 437 398
1. 숫자 거꾸로
2. 바뀐 수중 큰 수
*/

public class bj2908{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		String b = sc.next();

		int A = 0, B = 0;
		int c = 0;

		for(int i=0; i<a.length(); i++){
			switch(i){
				case 0: c=1; break;
				case 1: c=10; break;
				case 2: c=100; break;
			}
			A += Integer.parseInt(a.substring(i,i+1)) * c;
		}

		for(int i=0; i<b.length(); i++){
			switch(i){
				case 0: c=1; break;
				case 1: c=10; break;
				case 2: c=100; break;
			}
			B += Integer.parseInt(b.substring(i,i+1)) * c;
		}

		int printNum = (A>B)? A: B;

		System.out.println(printNum);
	}
}