#include<bits/stdc++.h> using namespace std; int main (){ char a; cin>>a; cout<<" "<<" "<<a<<" "<<" "<<endl; cout<<" "<<a<<a<<a<<" "<<endl; cout<<a<<a<<a<<a<<a<<endl; return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; cout<<" "<<" "<<a<<endl; cout<<" "<<a<<a<<a<<" "<<endl; cout<<a<<a<<a<<a<<a<<endl; return 0; }

#include using namespace std; int main() { char c; cin>>c; cout<<" "<<c<<" "<<endl; cout<<" "<<c<<c<<c<<endl; cout<<c<<c<<c<<c<<c<<endl; return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; cout<<" "<<" "<<a<<endl; cout<<" "<<a<<a<<a<<" "<<endl; cout<<a<<a<<a<<a<<a<<endl; return 0; }

#include<bits/stdc++.h>
using namespace std;
int main()
{
    char a;
    cin>>a;
    cout<<"  "<<a<<endl;
    cout<<" "<<a<<a<<a<<endl;
    cout<<a<<a<<a<<a<<a<<endl;
    return 0;
}

制作不易，点个赞再拿走嘛

#include using namespace std; int main() { char c; cin>>c; cout<<" "<<c<<" "<<endl; cout<<" "<<c<<c<<c<<endl; cout<<c<<c<<c<<c<<c<<endl; return 0; }