26 lines
446 B
C++
26 lines
446 B
C++
#include<stdio.h>
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#include<math.h>
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int main()
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{ int x,y,n,a[25][25],i,j;
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while(scanf("%d",&n)&&n!=0)
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{ x=n/2+1;y=n/2;
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i=1;
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while(i<=n*n)
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{a[x][y]=i;
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if(i%n!=0)
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{x=x+1;y=y+1;}
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else
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x=x+2;
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if(x>n-1)x=x-n;
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if(y>n-1)y=y-n;
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i++;
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}
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for(i=0;i<n;i++)
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{for(j=0;j<n;j++)
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printf("%4d",a[i][j]);
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printf("\n");
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}
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}
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return 0;
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}
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