坐标变换(其一)

前缀和

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

public class Main {
    static final int N = 100010;
    static ArrayList<int[]> list = new ArrayList<>();
    static int n, m;

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

        String[] str = br.readLine().split(" ");
        n = Integer.parseInt(str[0]); m = Integer.parseInt(str[1]);

        for (int i = 1; i <= n; i++) {
            str = br.readLine().split(" ");
            int a = Integer.parseInt(str[0]), b = Integer.parseInt(str[1]);
            list.add(new int[]{a, b});
        }

        int dx = 0, dy = 0;
        for (int[] item : list) {
            dx += item[0];
            dy += item[1];
        }

        for (int i = 1; i <= m; i++) {
            str = br.readLine().split(" ");
            int x = Integer.parseInt(str[0]), y = Integer.parseInt(str[1]);
            out.println((x + dx) + " " + (y + dy));
        }

        out.flush();
    }
}