B1036 跟奥巴马一起编程 (15 分)

#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
  
  int num;
  char c;
  cin >> num >> c;
  
  int row = (double)num/2+0.5;
  
  //第一行 
  for(int i = 0; i < num; i++){
    cout << c;
  }
  cout << endl;
  
  //中间行数
  for(int i = 0; i < row - 2; i++){
    cout << c;
    for(int j = 0; j < num - 2; j++){
      cout << " ";
    }
    cout << c;
    cout << endl;
  } 
  
  for(int i = 0; i < num; i++){
    cout << c;
  }
  
  return 0;
}