标签:while set space pre print def cout bit --
#include<bits/stdc++.h>
using namespace std;
#define maxn 100
int a[maxn][maxn];
int main(){
int n,tot,i,x,y;
while(cin>>n){
memset(a,0,sizeof(a));
tot=a[x=0][y=n-1]=1;
while(tot<n*n){
while(x+1<n&&!a[x+1][y]) a[++x][y]=++tot;
while(y-1>=0&&!a[x][y-1]) a[x][--y]=++tot;
while(x-1>=0&&!a[x-1][y]) a[--x][y]=++tot;
while(y+1<n&&!a[x][y+1]) a[x][++y]=++tot;
}
for(i=0;i<n;i++)
{
for(int j=0;j<n;j++)
printf("%4d",a[i][j]);
cout<<endl;
}
}
return 0;
}
标签:while set space pre print def cout bit --
原文地址:https://www.cnblogs.com/mch5201314/p/9391717.html