Type the Matrix primarily based on the given column quantity

#embrace <bits/stdc++.h>

utilizing namespace std;

vector<vector<int> >

sortTheMatrix(vector<vector<int> >& matrix, int okay)

{

  

    

    int n = matrix.measurement();

  

    vector<pair<int, int> > v;

    for (int i = 0; i < n; i++) {

  

        

        

        v.push_back({ matrix[i][k], i });

    }

  

    

    

    type(v.start(), v.finish());

  

    

    

    reverse(v.start(), v.finish());

  

    vector<vector<int> > a;

    for (auto& it : v) {

        a.push_back(

  

            

            

            

            

            matrix[it.second]);

    }

    return a;

}

  

void print(vector<vector<int> > matrix, int okay)

{

    vector<vector<int> > ans = sortTheMatrix(matrix, okay);

    cout << "Sorted Matrix Based mostly on column 2 Values :"

         << endl;

    int N = ans.measurement();

    int M = ans[0].measurement();

    for (int i = 0; i < N; i++) {

        for (int j = 0; j < M; j++) {

  

            cout << ans[i][j] << " ";

        }

        cout << 'n';

    }

}

  

int principal()

{

    vector<vector<int> > matrix = { { 10, 6, 9, 1 },

                                    { 7, 5, 11, 2 },

                                    { 4, 8, 3, 15 } };

    int Ok = 2;

  

    

    print(matrix, Ok);

    return 0;

}