ДМД. Номер 5

#include <iostream>
#include <fstream>

using namespace std;

int d, i, k, j, m, h, ***M, *win, winner_count, *floors, **rooms;
ifstream fin;
string s;

int main() {
    cout << "* Select the method for filling the array." << endl << "1. From file" << endl << "2. Keyboard input"
         << endl;

    cin >> s;

    switch (s[0]) {
        case '1':
            cout << "(!) The first number in the file is the number of dormitories. " << endl
                 << "The next numbers are the numbers of floors in each Dorm." << endl
                 << "The following numbers are the numbers of rooms on each floor." << endl
                 << "The following input parameters must be filled in in turn: Dorm => number of floors => number of rooms."
                 << endl << "* Enter the file name" << endl;
            cin >> s;
            fin.open(s);
            fin >> i;
            M = new int **[i];
            floors = new int[i];
            win = new int[i];
            rooms = new int*[i];
            for (m = 0; m < i; m++) {
                cout << "Enter the number of floors in the dormitory number " << m + 1 << "." << endl;
                fin >> j;
                win[m] = 0;
                floors[m] = j;
                rooms[m] = new int[j];
                M[m] = new int *[j];
                for (h = 0; h < j; h++) {
                    cout << "Enter the number of rooms on the " << h + 1 << " floor in the dormitory number " << m + 1 << "."
                         << endl;
                    fin >> k;
                    rooms[m][h] = k;
                    M[m][h] = new int[k];
                }
            }
            cout << "* Enter the contents of the array separated by a space." << endl;
            for (m = 0; m < i; m++)
                for (h = 0; h < floors[m]; h++)
                    for (d = 0; d < rooms[m][h]; d++) {
                        fin >> M[m][h][d];
                        win[m] += M[m][h][d];
                    }
            fin.close();
            break;
        case '2':
            cout << "Enter the number of dormitories." << endl;
            cin >> i;
            M = new int **[i];
            floors = new int[i];
            win = new int[i];
            rooms = new int*[i];
            for (m = 0; m < i; m++) {
                cout << "Enter the number of floors in the dormitory number " << m + 1 << "." << endl;
                cin >> j;
                win[m] = 0;
                floors[m] = j;
                rooms[m] = new int[j];
                M[m] = new int *[j];
                for (h = 0; h < j; h++) {
                    cout << "Enter the number of rooms on the " << h + 1 << " floor in the dormitory number " << m + 1 << "."
                         << endl;
                    cin >> k;
                    rooms[m][h] = k;
                    M[m][h] = new int[k];
                }
            }
            cout << "* Enter the contents of the array separated by a space." << endl;
            for (m = 0; m < i; m++)
                for (h = 0; h < floors[m]; h++)
                    for (d = 0; d < rooms[m][h]; d++) {
                        cin >> M[m][h][d];
                        win[m] += M[m][h][d];
                    }
            break;
    }

    winner_count = 0;
    d = 0;
    for (m = 0; m < i; m++)
        if (win[m] > winner_count) {
            winner_count = win[m];
            d = m;
        }

    cout << "Most of the residents in the dormitory number " << d + 1 << " in which currently houses " << winner_count << " students.";
    return 0;
}