#include <bits/stdc++.h>
#include <windows.h>
using namespace std;
struct Student{
int id;//学号
string name;//姓名
int age;//年龄
int grade;//班级
}s;
void zhujm(){
cout<<"欢迎来到学生管理系统！！"<<endl;
cout<<"请你做出以下选择："<<endl;
cout<<"1.新建"<<endl;
cout<<"2.查找"<<endl;
cout<<"3.修改"<<endl;
cout<<"4.删除"<<endl;
cout<<"5.退出"<<endl;
}
vector<Student> insert(vector<Student> a){//新增学生信息
if(s.id==0){
s.id=1000;
}else{
s.id+=1;
}
cin>>s.name>>s.age>>s.grade;
a.push_back(s);
}
vector<Student> search(vector<Student> a){
}
int main(){
vector<Student> a;
while(1){
zhujm();
int n;
cin>>n;
if(n==5){
cout<<"再见!"<<endl;
break;
}
switch(n){
case 1:{
a=insert(a);
cout<<"建立成功！"<<endl;
Sleep(1000);
system("cls");
break;
}
case 2:{
search(a);
break;
}
}
}
return 0;
}