简单

#include<iostream>
using namespace std;

int main(){
int m,n;
cin>>m>>n;
for(int x=1;x<=m;x++){
    for(int i=1;i<=n;i++){
        cout<<"+-";
        if(i==n){
            cout<<"+\n";
            
        }
        
}
    for(int i=1;i<=n+1;i++){
            cout<<"| ";}
    cout<<"\n";
}
for(int i=1;i<=n;i++){
        cout<<"+-";
        if(i==n){
            cout<<"+\n";
            
        }
}}