#include <iostream>
#include <conio.h>
#include <fstream>
#include <stdio.h>
#include <conio.h>


using namespace std;

class matrix {

private:
    double **matr;
    int a;
public:

    matrix() {
        ifstream od;
        od.open("test.txt");
        od >> a;//f
        matr = new double*[a];
        for (int i = 0; i < a; i++) matr[i] = new double[a];

        for (int i = 0; i < a; i++) {
            for (int j = 0; j < a; j++) {
                od >> matr[i][j];
            }
        }

    }

    void printM() {
        for (int i = 0; i < a; i++) {
            for (int j = 0; j < a; j++) {
                cout << matr[i][j] << " ";
            }
            cout << endl;
        }
    }

    void max() {
        double max = DBL_MIN;
        int m1, m2;
        for (int i = 0; i < a; i++) {
            for (int j = 0; j < a; j++) {
                if (max < matr[i][j]) {
                    max = matr[i][j];
                    m1 = i; m2 = j;
                }
            }
        }
        cout << "Максимальное число: [" << m1 << "][" << m2 << "] = " << max << endl;

        for (int i = 0; i < a; i++) {
            matr[a - i - 1][i] = max;
        }
        printM();

    }

};


void main() {

    setlocale(LC_ALL, "Russian");

    int f, s;
    matrix matr;
    matr.printM();

    matr.max();


    system("pause");

}