Schelet problema polihroniade

#include <iostream>
#include <fstream>>

using namespace std;

void displayMatrix(int matrix[1000][1000], int n);
void getSolution(int p, int matrix[1000][1000]);
void displayNumberOfSwapsToTransformToChessBoard(int matrix[1000][1000]);
void checkIfMatrixCanBeChessBoard(int matrix[1000][1000]);
void findMinSwapsToTransformToChessBoard(int matrix[1000][1000]);

int main()
{
    ifstream fin("polihroniade.in");
    // ofstream fout("polihroniade.out");
    int p, t;
    fin >> p >> t;
    int currentScenario = 1;
    while (currentScenario <= t)
    {
        int n;
        fin >> n;
        int matrix[1000][1000] = {0};

        for (int i = 0; i < n; i++)
        {
            char line[n];
            fin >> line;
            for (int j = 0; j <  n; j++)
            {
                matrix[i][j] = line[j] - '0';
            }
        }
        //displayMatrix(matrix, n); // asta e doar de verificare sa vezi daca ti-a citit cum trebuie
        getSolution(p, matrix);
        currentScenario++;
    }
    return 0;
}

void displayMatrix(int matrix[1000][1000], int n) {
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cout << matrix[i][j] << " ";
        }
        cout << endl;
    }
    cout << endl << endl;
}

void getSolution(int p, int matrix[1000][1000]) {
    switch (p) {
        case 1:
        checkIfMatrixCanBeChessBoard(matrix);
        break;
    case 2:
        findMinSwapsToTransformToChessBoard(matrix);
        break;
    case 3:
        displayNumberOfSwapsToTransformToChessBoard(matrix);
        break;
    default:
        break;
    }
}

void checkIfMatrixCanBeChessBoard(int matrix[1000][1000]) {
    cout << "Aici vom implementa daca matricea poate sa fie sau nu o tabla de sah" << endl;
}

void findMinSwapsToTransformToChessBoard(int matrix[1000][1000]) {
    cout << "Aici vom afla numarul minim de transformari pe care le putem face ca sa transforma in tabla de sah" << endl;
}

void displayNumberOfSwapsToTransformToChessBoard(int matrix[1000][1000]) {
    cout << "Aici vom face ultima cerinta, anume cand P = 3" << endl;
}