#include<bits/stdc++.h> using namespace std; int main(){ int i=1,j=1,n,a[15][15]={0}; cin>>n; for(i=1;i<=n;i++){ for(j=n-i+1;j<=n;j++){ a[i][j]=i+j-n; } } for(i=1;i<=n;i++){ for(j=1;j<=n;j++){ if(a[i][j]!=0){ cout<<setw(5)<<a[i][j]; }else{ cout<<setw(5)<<" "; } } cout<<endl; } } /************************************************************** Problem: 1206 User: panyuchen Language: C++ Result: Accepted Time:14 ms Memory:2072 kb ****************************************************************/