import java.util.*;
import java.io.*;

public class Main{  
  //下面这个是一种更轻量化的输入方法
  //用的内存和时间都更少 可以记一下
  //老大网站上的题解我模仿着写会部分超时
    static StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));

    public static int nextInt() throws IOException{
        in.nextToken();
        return (int) in.nval;
    }
    public static void main(String [] args) throws IOException{

        int n =nextInt();
        int m =nextInt();
        long [] a = new long [n+1];
        long [] D = new long [n+2];
        for(int i=1;i<=n;i++){
            a[i]=1l*nextInt();
            D[i]=a[i]-a[i-1];
        }
        for(int i=1;i<=m;i++){
            int l =nextInt();
            int r =nextInt();
            int d =nextInt();
            D[l]+=d;
            D[r+1]-=d;
        }
        //将对差分数组的操作还原成对原数组的操作
        for(int i=1;i<=n;i++){
            D[i]=D[i]+D[i-1];
            System.out.print(D[i]+" ");
        }
    }
}

蓝桥云课AC JAVA代码:

import java.util.*;
import java.util.StringTokenizer;
import java.io.*;

public class Main {

	public static void main(String[] args) {
		int n=in.nextInt();
		int m=in.nextInt();
		int[] arr=new int[n+10];//原始数组
		int[] b=new int[n+10];//差分数组
		//数据读入
		for(int i=1;i<=n;i++){
			arr[i]=in.nextInt();
			b[i]=arr[i]-arr[i-1];
		}

		while(m-->0){
			int l=in.nextInt();
			int r=in.nextInt();
			int d=in.nextInt();
			b[l]+=d;
			b[r+1]-=d;
		}
		
		//还原数组
		for(int i=1;i<=n;i++){
			arr[i]=arr[i-1]+b[i];
			out.print(arr[i]+" ");
		}
         out.close();
	}
	
	

	static FastReader in=new FastReader();
	static PrintWriter out=new PrintWriter(System.out);
	static class FastReader{
		static BufferedReader br;
		static StringTokenizer st;
		FastReader(){
			br=new BufferedReader(new InputStreamReader(System.in));
		}
		String next() {
			String str="";
			while(st==null||!st.hasMoreElements()) {
				try {
					str=br.readLine();
				}catch(IOException e) {
					throw new RuntimeException(e);
				}
				st=new StringTokenizer(str);
			}
			return st.nextToken();
		}
		int nextInt() {
			return Integer.parseInt(next());
		}
		double nextDouble() {
			return Double.parseDouble(next());
		}
		long nextLong() {
			return Long.parseLong(next());
		}
	}
	
}