1036. 跟奥巴马一起编程(15)

// 2017/10/14 NCU
// PAT-B 1053
// scienceZ
#include <cstdio>
#include <cmath>
#include <iostream>
#include <algorithm>
using namespace std;

int n;
char c;
int main()
{
cin >> n >> c;
int a = n, b = round(float(n)/2);
for (int i = 1; i<=b; i++){
for (int j = 1; j<=a; j++){
if (i==1 || i==b || j==1 || j==a) cout << c;
else cout << ' ';
}
cout << endl;
}

return 0;
}