思路就是:右-》下-》左-》上
#include<stdio.h>
#include<string.h>
int a[
10][
10];
int main()
{
int i,j, n, num=
0;
memset(a,
0,
sizeof(a));
scanf(
"%d", &n);
num=a[i=
0][j=
0]=
1;
while(num < n*n)
{
while(j<n-
1 && !a[i][j+
1]) a[i][++j] = ++num;
while(i<n-
1 && !a[i+
1][j]) a[++i][j] = ++num;
while(j>=
1 && !a[i][j-
1]) a[i][--j] = ++num;
while(i>=
1 && !a[i-
1][j]) a[--i][j] = ++num;
}
for(i=
0;i<n;i++){
for(j=
0;j<n;j++)
printf(
"= ",a[i][j]);
puts(
"");
}
return 0;
}
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