非常简单

#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
int main(){
cout<<" +---+"<<endl;
cout<<" / /|"<<endl;
cout<<"+---+ |"<<endl;
cout<<"| | +"<<endl;
cout<<"| |/"<<endl;
cout<<"+---+"<<endl;
return 0;
}