how to make a new struct in c++ code example

Example 1: how to initialize an struct object in c++

// exemple avec la structure Coordonnees :
struct Coordonnees
{
  int x;
  int y;
}

int main()
{
  Coordonnees coords = {1,2};
}

Example 2: c++ struct

#include<iostream>
#include<string>
using namespace std;
struct student
{
  char name [20];
int age;
float marks;
};
int main()
{
student s;
cout<<"enter student name : "<<endl;
cin>>s.name;
cout<<"enter age : "<<endl;
cin>>s.age;
cout<<"enter marks : "<<endl;
cin>>s.marks;
cout<<"***********************"<<endl;
cout<<"name : "<<s.name<<endl;
cout<<"age : "<<s.age<<endl;
cout<<"marks : "<<s.marks<<endl;
return 0;
}