Everything_of_pair

       // In The Name Of Allah

#include<bits/stdc++.h>
#include<string.h>
using namespace std;

int main()
{
    //Pair has two value and two data type

    //Pair Declare :
    pair <string , int >p;
    p.first = "imran";
    p.second = 12;
    cout << p.first << " " << p.second << endl;//Output: imran 12

    //User Input :
    pair <string , int >p;
    cin >> p.first >> p.second;
    cout << p.first << " " << p.second;

    //Make pair using make_pair function :
    pair<int , int>p;
    p = make_pair(15,19);
    cout << p.first << " " << p.second << endl;//output 15 19
    p.second++;//Increasing
    cout << p.first << " " << p.second << endl;//output 15 20

    //Making pair without make_pair :
    pair<string ,vector<int> >p;
    p = {"Imran" , {1,2,3,4,5} };
    cout << p.first << " " << p.second.size() << endl;//Imran 5

    //Compare Pair :Fist value check
    //if first value equal then compare second value
    pair < int , int> p1,p2;
    p1 = {2,5};
    p2 = {3,1};
    if(p1 < p2)cout <<"Yes" << endl;//Yes

    //Minimum or Maximum pair :
    pair < int, int>p1,p2;
    p1 = {3,5};
    p2 = {1,9};
    pair<int, int>p= max(p1,p2);
    cout << p.first << " " << p.second << endl;//3 5

    //Sorting Vector Of pair:
    vector< pair<int, int> >v;
    v.push_back( {6,5} );
    v.push_back( {2,3} );
    v.push_back( {4,5} );
    v.push_back( {6,1} );
    v.push_back( {1,9} );
    sort(v.begin() , v.end());
    for(auto u:v)cout <<u.first << " " << u.second << endl;
    /*1 9
    2 3
    4 5
    6 1
    6 5*/

    //Sorting pair of array:
    pair<int , int> p[ ] = { {6,5}, {2,3}, {4,5}, {6,1}, {1,9} };
    sort(p, p+5);
    for(int i=0; i<5; i++){
        cout << p[i].first << " " << p[i].second << endl;
    }
    /*1 9
    2 3
    4 5
    6 1
    6 5*/

    //Unique Vector of pair:
    vector< pair< string , int> >v;
    v.push_back( {"shariar" , 21} );
     v.push_back( {"momo" , 13} );
      v.push_back( {"sharif" , 34} );
       v.push_back( {"shariar" , 35} );
        v.push_back( {"sharif" , 34} );
         v.push_back( {"shariar" , 21} );
          v.push_back( {"momo" , 13} );
          sort(v.begin(), v.end());
          int sz = unique(v.begin(), v.end())- v.begin();
          for(int i=0; i<sz; i++){
            cout << v[i].first << " " << v[i].second << endl;
          }
          /*momo 13
          shariar 21
          shariar 35
          sharif 34*/


    return 0;
}