题解

#include<bits/stdc++.h>
using namespace std;
int a,j=1;
int main(){
    cin>>a;
    for(int i=1;i<=a+1;i++){
        for(int k=1;k<=i;k++)cout<<"    ";
        for(int k=1;k<=i-1;k++)cout<<" ";
        for(int m=1;m<=a-i+1;m++){
            cout<<m<<"   ";
            if(m<=8)cout<<" ";
        }
        cout<<endl;
        j++;
    }
    return 0;
}