#include<iostream> #include<cstdio> usning namespace std; int main(){ int n,i,j,k; cin>>n; for(i=1;i<=n;i++) { for(k=1;k<=n-i;k++) { cout<<" "; } for(j=1;j<=2*i-1;j++) { cout<<"*"; } cout<<endl; } rsturn 0; }