提交时间:2024-02-17 17:17:50
运行 ID: 40825
#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; }