제출 #1098121

#제출 시각아이디문제언어결과실행 시간메모리
1098121Trisanu_DasMake them Meet (EGOI24_makethemmeet)C++17
11 / 100
1 ms348 KiB
#include <bits/stdc++.h>
using namespace std;
 
int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n, m; cin >> n >> m;
	vector<int> adj[n];
	while(m--){
		int u, v; cin >> u >> v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}
	cout << n << '\n';
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			if(i & 1) cout << (((j + 1) % 4) < 2) << ' ';
			else cout << ((j % 4) < 2) << '\n';
		}
		cout << '\n';
	}
}
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