提交时间:2025-10-11 15:45:46

运行 ID: 69670

#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; }