HDU 2052 Picture

#include <bits/stdc++.h>

using namespace std;

int a[100][100];
int len;

int main()
{
    int n,m;
    while(cin>>m>>n)
    {
        for(int i=1; i<=n+2; i++)
        {
            if(i==1||i==n+2)
                for(int j=1; j<=m+2; j++)
                {
                    if(j==1)
                        cout<<"+";
                    else if(j==m+2)
                        cout<<"+"<<endl;
                    else
                        cout<<"-";
                }
            else
                for(int j=1; j<=m+2; j++)
                {
                    if(j==1)
                        cout<<"|";
                    else if(j==m+2)
                        cout<<"|"<<endl;
                    else
                        cout<<" ";
                }
        }
        cout<<endl;
    }
    return 0;
}