함수에서 배열인수를 참조호출로 받기

 

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

void Magic(int (& brr)[3][3]) {
    int t = 1; 
    for (int y = 0; y < 3; y++) {
        for (int x = y; x < 3; x++) {
            brr[y][x] = t++;
        }
    }

}

void output(int(&crr)[3][3]) {

    for (int y = 0; y < 3; y++) {
        for (int x = 0; x < 3; x++) {
            if (crr[y][x] == 0) cout << " ";
            else cout << crr[y][x];
        } cout << endl; 
    }
}




int main() {
    int arr[3][3]{ 0 };
    Magic(arr);
    output(arr); 



    return 0;
}