ac题解，关注哦哦！

本题

#include<iostream>
using namespace std;
void a(char c){
    cout<<"  "<<c;
    cout<<"\n "<<c<<c<<c;
    cout<<"\n"<<c<<c<<c<<c<<c;
    return;
}
int main(){
    char c;
    cin>>c;
    a(c);
    return 0;
}