@[SaiGei2011](/user/753820) 起始点为 $(0,0)$
by pyy1 @ 2023-09-03 15:17:38
@[SaiGei2011](/user/753820) 并且输出有问题
by pyy1 @ 2023-09-03 15:17:55
@[SaiGei2011](/user/753820)
```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
int x,y,n,s=1;
int a[26][26]={};
cin>>n;
x=0;
y=0;
a[x][y]=1;
for(;s<n*n;){
while(y-1>=0&&!a[x][y-1]){
a[x][--y]=++s;
}
while(y+1<n&&!a[x][y+1]){
a[x][++y]=++s;
}
while(x-1>=0&&!a[x-1][y]){
a[--x][y]=++s;
}
while(x+1<n&&!a[x+1][y]){
a[++x][y]=++s;
}
}
for(x=0;x<n;x++){
for(y=0;y<n;y++){
printf("%3d",a[x][y]);
}
cout<<endl;
}
}
```
by pyy1 @ 2023-09-03 15:18:15
???
by SaiGei2011 @ 2023-09-04 21:54:20