SWEA/Intermediate

[SWEA] 1229. [S/W 문제해결 기본] List - 암호문2

J_Jayce 2019. 8. 6. 12:37

문제

https://www.swexpertacademy.com/main/learn/course/lectureProblemViewer.do

 

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풀이

이 문제는 암호문 1에서 없던 삭제 기능을 추가하여 구현한 코드이다.

 

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import java.util.*;
 
public class Solution {
    static Scanner scan = new Scanner(System.in);
    static int len, num;
    static LinkedList<Integer> list = new LinkedList<Integer>();;
    
    static void read_command() {
        num = scan.nextInt();
        for(int j=0;j<num;j++) {
            int idx,p_num;
            char op = scan.next().charAt(0);
            idx = scan.nextInt();
            p_num = scan.nextInt();
            if(op == 'I') {
                for(int k=0;k<p_num;k++)//삽입
                    list.add(idx+k, scan.nextInt());
            }
            else {//인덱스 자리에서 삭제되면 그 자리에 채워지기 때문에 그 위치에서 계속 삭제하면 됨
                for(int k=0;k<p_num;k++)
                    list.remove(idx);
            }
        }
    }
    
    static void print_password() {
        for(int j=0;j<10;j++)
            System.out.print(list.remove()+" ");
        System.out.println();
    }
    
    static void solution() {
        for (int i = 1; i <= 10; i++) {
            len = scan.nextInt();
            //암호문 입력
            for(int j=0;j<len;j++)
                list.add(scan.nextInt());
            
            //명렁어 입력
            read_command();
            
            //10게 출력
            System.out.print("#"+i+" ");
            print_password();
            
            //리스트 초기화
            list.removeAll(list);
        }
    }
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        solution();
    }
}
 
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