#include<iostream> #include<cstdio> using namespace std; int main(){ int a,b; cin>>a; int d[a+1][a+1]; for(int i=1;i<=a;i++){ for(int j=1;j<=i;j++){ if (j==1 or j==i){ d[i][j]=1; cout<<d[i][j]<<" "; continue; }else{ d[i][j]=d[i-1][j]+d[i-1][j-1]; cout<<d[i][j]<<" "; } } cout<<endl; } }