C++ 代码
#include<iostream>
using namespace std;
int main(){
int n, c;
while(cin >> n && n != 0){
for(int i = 1; i <= n; i++){
for(int j = 1; j <= n; j++){
//目标跟上下左右的关系,找最小的
int up = i, down = n-i+1, right = n-j+1, left = j, f;
f= min( min(up, down), min(left, right));
cout << f << " ";
}
cout << endl;
}
cout << endl;
}
return 0;
}