3171 - 空心矩阵

no input needed

*****
*   *
*   *
*   *
*****

Solution C

#include <stdio.h>
#include <stdlib.h>
int main()
{
    printf("*****\n");
    printf("*   *\n");
    printf("*   *\n");
    printf("*   *\n");
    printf("*****\n");
    // system("pause");
    return 0;
}

Solution C++

#include<bits/stdc++.h>
using namespace std;
string n;
int main()
{
    //freopen(".in","r",stdin);
    //freopen(".out","w",stdout);
	cout<<"*****"<<endl<<"*   "<<"*"<<endl<<"*   "<<"*"<<endl<<"*   "<<"*"<<endl<<"*****";
    return 0;
}