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#include

#define N 100

void oujie(int oushu)

{

int a[N][N]={0},i,j,k=1,n,m;

n=oushu/2;

m=(oushu-2)/4;

for(i=1,j=3*n/2;k<=n*n;)

{

if(i<0)

{ i=i+3*n; continue; }

if(j>=3*n)

{ j=j-3*n; continue; }

if(j<0)

{ j=j+3*n; continue; }

if(a[i][j]!=0)

{

i=i+2*3;

j=j-1*3;

if(i>3*n)

{ i=i-3*n; continue; }

if(j<0)

{ j=j+3*n; continue; }

}

a[i][j]=k++;

i=i-3;

j=j+3;

}

for(i=1;i<3*n;i=i+3)

for(j=1;j<3*n;j=j+3)

{

if(i

a[i-1][j]=1;

else if(i==(3*(m+1)+1)&&j!=(3*(m+1)-2)||i==(3*(m+1)-2)&&j==(3*(m+1)-2))

a[i-1][j]=2;

else a[i-1][j]=3;

}

for(i=1;i<3*n;i=i+3)

for(j=1;j<3*n;j=j+3)

{

if(a[i-1][j]==1)

{

a[i-1][j-1]=4*a[i][j];

a[i-1][j+1]=4*a[i][j]-3;

a[i+1][j-1]=4*a[i][j]-2;

a[i+1][j+1]=4*a[i][j]-1;

}

if(a[i-1][j]==2)

{

a[i-1][j-1]=4*a[i][j]-3;

a[i-1][j+1]=4*a[i][j];

a[i+1][j-1]=4*a[i][j]-2;

a[i+1][j+1]=4*a[i][j]-1;

}

if(a[i-1][j]==3)

{

a[i-1][j-1]=4*a[i][j]-3;

a[i-1][j+1]=4*a[i][j];

a[i+1][j-1]=4*a[i][j]-1;

a[i+1][j+1]=4*a[i][j]-2;

}

}

for(i=0;i<3*n;i=i+1)

{

{

for(j=0;j<3*n;j=j+1)

{

printf("%4d",a[i][j]);

j=j+2;

printf("%4d",a[i][j]);

}

printf("\n");

}

i=i+2;

{

for(j=0;j<3*n;j=j+1)

{

printf("%4d",a[i][j]);

j=j+2;

printf("%4d",a[i][j]);

}

printf("\n");

}

}

}

void jijie(int n)

{

int a[N][N]={0},i,j,k=1;

for(i=0,j=n/2;k<=n*n;)

{

if(i<0)

{ i=i+n; continue; }

if(j>=n)

{ j=j-n; continue; }

if(j<0)

{ j=j+n; continue; }

if(a[i][j]!=0)

{

i=i+2;

j=j-1;

if(i>n)

{ i=i-n; continue; }

if(j<0)

{ j=j+n; continue; }

}

a[i][j]=k++;

i--;

j++;

}

for(i=0;i

{

for(j=0;j

printf("%4d",a[i][j]);

printf("\n");

}

}

main()

{

int n;

printf("偶数阶数为4n＋2，且阶数为3到66之间\n");

printf("请输入幻方的阶数:");

scanf("%d",&n);

if(n%2==0&&n>=4&&n<66&&(n-2)%4==0)

oujie(n);

else if(n%2==1&&n<66)

jijie(n);

else

printf("错误的阶数！\n");