SWEA 1946 간단한 압축 풀기

1 개요

SWEA 1946 간단한 압축 풀기

SW Expert 아카데미

#	문제	풀이

3 Java

import java.util.Scanner;
public class Solution {
    public static String str_repeat(String str, int times) {
        return new String(new char[times]).replace("\0", str);
    }
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        for(int t=1; t<=T; t++) {
            int n = sc.nextInt();
            String s = "";
            for(int i=0; i<n; i++) {
                String ch = sc.next();
                int r = sc.nextInt();
                s += str_repeat(ch, r);    
            }
            System.out.format("#%d\n", t);
            for(int i=0; i<s.length(); i++) {
                System.out.print(s.charAt(i));
                if( i%10 == 9 )System.out.print("\n");
            }
            System.out.print("\n");
        }
    }
}