2021-11-12

✍쪠와 함께 하루에 30분 이상 시작✨

10809

import java.util.Scanner;

public class Main {

 public static void main(String[] args) {
	          Scanner sc = new Scanner(System.in);

	          int[] arr =new int[26]; 
	          String word = sc.nextLine();

	          for(int i = 0; i<arr.length; i++) {
	              arr[i] = -1; //-1로 초기화
	          }
	          for(int i = 0; i < word.length(); i++) { //문자추출
	              char ch = word.charAt(i);
	              if(arr[ch-'a'] == -1) { //arr 원소 값이 -1인 경우에만 초기화
	                  arr[ch-'a'] = i;
	              }
	          }
	          for(int i = 0; i<arr.length; i++) {
	              System.out.print(arr[i]+" ");
	          }
	      }
	}

---

import java.util.Scanner;

public class Main {

		  public static void main(String[] args) {
	          Scanner sc = new Scanner(System.in);
	          String temp = sc.next();
	         
	          for( char i = 'a'; i<='z'; i++) {
	        	  System.out.print(temp.indexOf(i)+" ");
	          }
	      }
	}

2675

import java.util.Scanner;

public class Main {

		  public static void main(String[] args) {
	          Scanner sc = new Scanner(System.in);
	          
	          int T = sc.nextInt();
	           
	          for (int i =0; i<T; i++) {
	        	  int R = sc.nextInt();
	        	  String S = sc.next();
	        	     	  
	          for (int j = 0; j< S.length(); j++) {
	        	  for(int k=0; k<R; k++) {
	        		  System.out.print(S.charAt(j));
	        	  }
	          } 
	          System.out.println();
	          }
	      }
	}