Java - 백준 코딩테스트 10250번 [기본수학1단계 - ACM호텔]

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
 
public class ACMHotel {
 
    public static void main(String[] args) throws IOException {
        // 20210801 - 백준 10250번
        //정문으로부터 가장 짧은 거리의 방 배정
        //W x H
        //거리 같을 때는 아래층 방 선호
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        
        int test = Integer.parseInt(br.readLine());
        
        for (int i = 0; i < test; i++) {
            StringTokenizer st = new StringTokenizer(br.readLine(), " ");
            
            int height = Integer.parseInt(st.nextToken());
            int width = Integer.parseInt(st.nextToken());
            int num = Integer.parseInt(st.nextToken());
            
            int yRoom = (num - 1) % height + 1;
            int xRoom = ((num - 1) / height) + 1;
 
            String xNum = "";
            if (xRoom < 10) {
                xNum = "0" + xRoom;
            } else {
                xNum = String.valueOf(xRoom);
            }
            
            bw.write(yRoom + xNum);
            bw.newLine();
        }
        
        bw.flush();
        bw.close();
        br.close();
    }
}