哲格镇德事NOIP思密达？？

祝大家AKIOI

#include <bits/stdc++.h>

using namespace std;

void c(int n) {
    vector<vector<int>> m(n, vector<int>(n, 0));

    int row = 0, col = n / 2;

    for (int k = 1; k <= n * n; ++k) {
        m[row][col] = k;

        int nextRow = (row - 1 + n) % n;
        int nextCol = (col + 1) % n;

        if (m[nextRow][nextCol] != 0) {
            row = (row + 1) % n;
        } else {
            row = nextRow;
            col = nextCol;
        }
    }

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            cout << m[i][j] << " ";
        }
        cout << endl;
    }
}

int main() {
    int n;
    cin >> n;
    c(n);
    return 0;
}