#include<iostream>
using namespace std;
int main()
{
double n;
char c;
cin>>n>>c;
for(int i=0;i<n/2;i++){
for(int j=0;j<n;j++)cout<<c;
cout<<endl;
}
return 0;
}
天梯赛L1-015 跟奥巴马一起画方块 (15 分)
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Origin blog.csdn.net/weixin_51928751/article/details/121153752
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