[코테2_3]가위바위보

✔나의 답-> 맞음

import java.util.*;

public class p2_3 {
  public static String[] solution(int n, int[] A, int[] B){
    String[] arr= new String[n];
    for(int i=0;i<n;i++){
         if(Math.abs(A[i]-B[i])==1){
                if(A[i]>B[i]) arr[i]="A";
                else arr[i]="B";
                 }
          else if (A[i]==B[i]) arr[i]="D";
          else {
           if( A[i]==3) arr[i]="B";
           else arr[i]="A";
              }
     }
     return arr;


   }
  public static void main(String[] args){
    Scanner kb = new Scanner(System.in);
    int n = kb.nextInt();
    int[] A= new int[n];
    int[] B= new int[n];
    for(int i=0;i<n;i++) A[i]=kb.nextInt();
    for(int j=0;j<n;j++) B[j]=kb.nextInt(); 
    for(String x : solution(n,A,B)){
        System.out.println(x);
     }
  }

}

✔️ 강의 답

import java.util.*;

public class P2_3 {
	 public static String solution(int n, int[] a, int[] b){
		    String answer="";
		    for(int i=0;i<n;i++){
		         if(a[i]==b[i]) answer+="D";
		         else if (a[i]==1 && b[i]==3) answer+="A";
		         else if (a[i]==2 && b[i]==1) answer+="A";
		         else if (a[i]==3 && b[i]==2) answer+="A";
		         else answer+="B";
		     }
		     return answer;


		   }
		  public static void main(String[] args){
		    Scanner kb = new Scanner(System.in);
		    int n = kb.nextInt();
		    int[] A= new int[n];
		    int[] B= new int[n];
		    for(int i=0;i<n;i++) A[i]=kb.nextInt();
		    for(int j=0;j<n;j++) B[j]=kb.nextInt(); 
		    for(char x : solution(n,A,B).toCharArray()){
		        System.out.println(x);
		     }
		  }
}