Упростить код

#include <iostream>
#include <iomanip>
using namespace std;
 
int main()
{
    size_t rowsCount;
    cout << "N: ";
    cin >> rowsCount;
 
    size_t colsCount = 3;
    int **matrix = new int *[rowsCount];
    for (size_t i = 0; i < rowsCount; i++) {
        *(matrix + i) = new int [colsCount];
        for (size_t j = 0; j < colsCount; j++) {
            size_t currentNumber = 1;
            cout << setw(5) << (*(*(matrix + i) + j) = currentNumber++);
        }
        (colsCount ? (cout << endl, colsCount--) : (colsCount = 3, i--));
    }
    
    for (size_t i = 0; i < rowsCount; i++) {
        delete [] *(matrix + i);
    }
    delete [] matrix;
    matrix = nullptr;
 
    system("pause");
    return 0;
}

   cout << setw(5) << (*(*(matrix + i) + j) = currentNumber++);
        }
        (colsCount ? (cout << endl, colsCount--) : (colsCount = 3, i--));

        
    cout << setw(5) << (matrixp[i][j] = currentNumber++);
}
if(colsCount)
{
    cout << endl;
    colsCount--;
}
else
{
    colsCount = 3;
    i--;
}

currentNumber++

size_t currentNumber = 1;

size_t currentNumber = 1;

        for (size_t j = 0; j < colsCount; j++) {
 
            cout << setw(5) << (*(*(matrix + i) + j) = 1);
        }

*(*(matrix + i) + j)

matrix[i][j]

 (colsCount ? (cout << endl, colsCount--) : (colsCount = 3, i--));

matrix[i][j]