Submission

Score: 0

User: porpeang

Problemset: กังหันสี่ทิศ

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-02 13:57:39

#include <iostream>
#include <vector>
#include <string>
#include <cmath>

using namespace std;

int main() {
    int N;
    if (!(cin >> N) || N < 1 || N > 20) {
        return 0;
    }

    int center_box1 = 2 * N - 2;
    int shift = 5 * N - 1;
    int center_box2 = center_box1 + shift;
    int total_rows = 2 * N - 1;

    for (int r = 0; r < total_rows; r++) {
        int d = abs(r - (N - 1));
        char char_letter = 'A' + d;
        int max_col = (d > 0) ? (center_box2 + 2 * d) : center_box2;

        string line(max_col + 1, ' ');

        if (d == 0) {
            line[center_box1] = 'A';
            line[center_box2] = '*';
        } else {
            line[center_box1 - 2 * d] = char_letter;
            line[center_box1 + 2 * d] = char_letter;
            line[center_box2 - 2 * d] = '*';
            line[center_box2 + 2 * d] = '*';
        }

        cout << line << "\n";
    }

    return 0;
}