题目描述

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样例

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算法1

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

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算法2

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

#include <iostream>
#include <cmath>
using namespace std;

int main() {
    int a;
    while (cin >> a, a) {
        int t = (a + 1) / 2;
        double c = (a - 1) / 2.0;
        for (int i = 0; i < a; i++) {
            for (int j = 0; j < a; j++) {
                int x = t - floor(max(abs(i - c), abs(j - c)));
                cout << x << " ";
            }
            cout << endl;
        }
        cout << endl;
    }
    return 0;
}