insert a value in pair in c 2b 2b

1#include<bits/stdc++.h>
2using  namespace std;
3int main(){
4  //Declaring
5  pair<string,int> p;
6  
7  //Initializing
8  p.first = "Empty String";
9  p.second = 100;
10  
11  //Output
12  cout<<p.first;
13  cout<<endl;
14  cout<<p.second;
15  
16  return 0;
17}