#2655. [GESP202606 二级 C++] 第 12 题

[GESP202606 二级 C++] 第 12 题

如下数字图形在通过执行后续的 C++ 代码时,输入 10 来输出。横线处应填入的代码是( )。

1 1 1 1 1 1 1 1 1 1
1 1 0 0 0 0 0 0 0 1
1 0 1 0 0 0 0 0 0 1
1 0 0 1 0 0 0 0 0 1
1 0 0 0 1 0 0 0 0 1
1 0 0 0 0 1 0 0 0 1
1 0 0 0 0 0 1 0 0 1
1 0 0 0 0 0 0 1 0 1
1 0 0 0 0 0 0 0 1 1
1 1 1 1 1 1 1 1 1 1
int N;
cin >> N;
for (int i = 1; i < N + 1; i++) {
    for (int j = 1; j < N + 1; j++)
        if (________)
            cout << "1 ";
        else
            cout << "0 ";
    cout << endl;
}

{{ select(1) }}

  • i == j and i == 1 and j == 1 and i == N and j == N
  • i == j or i == 1 or j == 1 or i == N or j == N
  • i == j or i == 0 or j == 0 or i == (N + 1) or j == (N + 1)
  • i == j and i == 1 and j == 1 and i == (N + 1) and j == (N + 1)