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