[백준/Baekjoon] 2447 별찍기 - 10 C++ :: Recursion 재귀

 

https://www.acmicpc.net/problem/2447

2447번: 별 찍기 - 10

 

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#include<bits/stdc++.h>

using namespace std;

void star(int i, int j, int n) {
    if((i / n) % 3 == 1 && (j / n) % 3 == 1) 
        cout << " ";
    else if(n / 3 == 0) 
        cout << "*";
    else 
        star(i, j, n / 3);
    return;
}

int main() {
    int n;
    cin >> n;

    for(int i = 0; i < n; i++) {
        for(int j = 0; j < n; j++) {
            star(i, j, n);
        }
        cout << "\n";
    }
}