#include<cstdio> using namespace std; //水题,找规律 int main() { int n,s; while(~scanf("%d%d",&n,&s)) { for(int i = 0; i<n; ++i) { if(i) printf("%*c",2*i,' '); for(int j = 0,t = i,q = s; j<n-i; ++j,++t) { if(j) printf(" %d",q = (q+t+8)%9+1); else printf("%d",s); } printf("\n"); //忽略了s=0的情况,wa一发 s = (s+i+10)%9+1; } } return 0; }