题解

#include<iostream>
using namespace std;
int n,h[25][25];
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=i;j++){
            if(j==1){
                h[i][j]=1;
                cout<<h[i][j]<<" ";
                continue;
            }
            if(j==i){
                h[i][j]=1;
                cout<<h[i][j]<<" ";
                continue;
            }
            h[i][j]=h[i-1][j]+h[i-1][j-1];
            cout<<h[i][j]<<" ";
        }
        cout<<endl;
    }
}