hdu 2123
#include <iostream> using namespace std; int main() { int i,t,n,j,k,f; cin>>t; while(t--) { cin>>n; for(i=1,j=1;i<=n;cout<<endl,i++,j++) { //i=1; f=i; //cout<<"nishisb"<<endl; for(k=1;k<=n;i+=j,k++) if(k==n) cout<<i; else cout<<i<<" "; i=f; //cout<<i<<endl; } } return 0; } //hdu 2123