链接

OJ链接：传送门

AC代码

#include <iostream>using namespace std;int n, m;int dx = 0, dy = 0;int main() {cin >> n >> m;for (int i = 0; i < n; ++i) {int x, y;cin >> x >> y;dx += x;dy += y;}for (int i = 0; i < m; ++i) {int x, y;cin >> x >> y;cout << x + dx << " " << dy + y << endl;}return 0;
}