제출 #1234147

#제출 시각아이디문제언어결과실행 시간메모리
1234147toast12Make them Meet (EGOI24_makethemmeet)C++20
24 / 100
2 ms328 KiB
#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, m;
    cin >> n >> m;
    for (int i = 0; i < m; i++) {
        int u, v;
        cin >> u >> v;
    }
    cout << n << '\n';
    for (int i = 0; i < n; i++) {
        if (i % 2 == 0) {
            for (int j = 0; j < n; j += 2) {
                cout << j/2 << ' ';
                if (j+1 < n) cout << j/2 << ' ';
            }
            cout << '\n';
        }
        else {
            cout << 0 << ' ';
            int cur = 1;
            for (int j = 1; j < n; j += 2) {
                cout << cur << ' ';
                if (j+1 < n) cout << cur << ' ';
                cur++;
            }
            cout << '\n';
        }
    }
    return 0;
}
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