백준 10810번 공 넣기(java)

1.문제

https://www.acmicpc.net/problem/10813

2.풀이

3.코드

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 Main{
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

        int n = Integer.parseInt(br.readLine());
        int m = Integer.parseInt(br.readLine());
        
        int arr[] = new int [n + 1];

        StringTokenizer st = new StringTokenizer(br.readLine()," ");

        for(int a = 1; a <= m; a++){
            int i = Integer.parseInt(st.nextToken());
            int j = Integer.parseInt(st.nextToken());
            int k = Integer.parseInt(st.nextToken());

            for(int b = i; b <= j; b++){
                arr[b] = k;
            }
        }

        for(int a = 1; a <= n; a++){
            bw.write(arr[a] + " ");
        }

        br.close();
        bw.flush();
        bw.close();
    }
}