提交时间:2026-01-04 15:16:01

运行 ID: 80409

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