提交时间:2024-01-19 19:38:01
运行 ID: 37274
#include<iostream> using namespace std; int main() { char c1; cin>>c1; cout<<" "<<c1<<" "<<endl; cout<<" "<<c1<<c1<<c1<<" "<<endl; cout<<c1<<c1<<c1<<c1<<c1<<endl; return 0; }