【題解】洛谷P2615[2015NOIP]神奇的幻方 模擬

題目鏈接 #include<cstdio> const int N=40; int a[N][N],num=1,n,x,y; int main() { scanf("%d",&n); while(num<=n*n) { if(num==1)a[x=1][y=(n+1)/2]=num++; else if(x==1&&y!=n)a[x=n][y=y+1]=num++; else i

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