提交时间:2025-07-07 17:02:03
运行 ID: 328941
#include<iostream> using namespace std; int main() { char ch; cin>>ch; cout<<" "<<ch<<endl; cout<<" "<<ch<<ch<<ch<<endl; cout<<ch<<ch<<ch<<ch<<ch<<endl; cout<<" "<<ch<<ch<<ch<<endl; cout<<" "<<ch<<endl; return 0; }