[백준_JAVA] 10810 공 넣기

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int M = sc.nextInt();
		
		int[] basket = new int[N];
		
		for(int a = 0; a < M; a++) {
			int i = sc.nextInt();
			int j = sc.nextInt();
			int k = sc.nextInt();
			
			for(int b = i-1; b < j; b++) {
				basket[b] = k;
			}
		}
		
		for(int c = 0; c <basket.length; c++)
			System.out.print(basket[c] + " ");
		sc.close();
	}
}

배열의 인덱스를 잘 활용한다.