문제
풀이
#include <iostream>
#include <vector>
using namespace std;
void solve(void) {
int h, w, x, y; cin >> h >> w >> x >> y;
vector<vector<int>> b(h+x, vector<int>(w+y));
for (int i=0; i<h+x; i++) for (int j=0; j<w+y; j++) cin >> b[i][j];
for (int i=0; i<h; i++) {
for (int j=0; j<w; j++) {
cout << b[i][j] << " ";
b[i+x][j+y] -= b[i][j];
}
cout << "\n";
}
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}