#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; int a[20][20]; for(int i=0;i<=n-1;i++){ for(int j=0;j<=n-1;j++){ if(i+j==n-1) a[i][j]=j+1; else if(i+j>=n-1) a[i][j]=a[i][j-1]+a[i-1][j]; else a[i][j]=0; } } for(int i=0;i<=n-1;i++){ for(int j=0;j<=n-1;j++){ if(a[i][j]==0) cout<<setw(5)<<" "; else cout<<setw(5)<<a[i][j]; } cout<<endl; } return 0; } /************************************************************** Problem: 1202 User: zhuangsongyu Language: C++ Result: Wrong Answer ****************************************************************/