arrayRemove

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void vvod(int **arr,int n, int m)
{
    srand(time(NULL));

    int i,j;
    for (i=0;i<n;i++)
    {
        for (j=0;j<m;j++)
            {
                arr[i][j]=rand()%101-50;
            }
    }
}//

void vivod (int **arr, int n, int m)
{
    int i,j;
    for (i=0;i<n;i++)
    {
        for (j=0;j<m;j++)
            {
                printf("%4d ", arr[i][j]);
            }
         printf("\n");
    }
}

void move_column_to_end(int **arr, int n, int m, int columnNumber)
{
    //Check input args
    if (m <= columnNumber)
        return;

    //Copy column to buffer array
    int *bufArray = malloc(m * sizeof(int));
    for (int i = 0; i < n; i++)
        bufArray[i] = arr[i][columnNumber];

    //Moving columns to reduce empty space
    for (int j = columnNumber + 1; j < m; j ++)
        for (int i = 0; i < n; i++)
            arr[i][j - 1] = arr[i][j];


    for (int i = 0; i < n; i++)
        arr[i][m - 1] = bufArray[i];
        //printf("BUF %i\n", bufArray[i]);
}

size_t remove_negative_numbers(int **arr, int n, int m, int numbersAmount)
{
    int count = 0;  //Negative numbers
    int negativeNumbersInIteration = 0;

    for (int j = 0; j < m - count; j++)
    {
        negativeNumbersInIteration = 0;

        //printf()
        for (int i = 0; i < n; i++)
            if (arr[i][j] < 0)
            {
                negativeNumbersInIteration++;
                //printf("Negative number: %i, i: %i, j: %i\n", arr[i][j], i, j);
            }

        if (negativeNumbersInIteration >= numbersAmount)
        {
            //printf("Column: %i, negative numbers: %i\n", j, negativeNumbersInIteration);
            move_column_to_end(arr, n, m, j);
            count++;
            j--;
        }
        //printf("-Column ended-\n");
    }

    return count;
}

int main()
{
    //Array initialization
    int arrVer=7, arrHor=7;
        int **arr = (int **)malloc(arrVer * sizeof(int *));

    for(int i = 0; i < arrVer; i++)
        arr[i] = (int *)malloc(arrHor * sizeof(int));;


    vvod(arr,arrVer,arrHor);
    vivod(arr,arrVer,arrHor);
    printf("=====\n");

    size_t strToRemove = remove_negative_numbers(arr, arrVer, arrHor, 3);
    //move_column_to_end (arr, arrVer,arrHor)
    for (int i = 0; i < arrVer; i++)
        arr[i] = realloc(arr[i], arrHor - strToRemove);
    vivod(arr, arrVer, arrHor - strToRemove);


    //Memory free
    for(int i = 0; i < arrVer; i++)
        free(arr[i]);

    free(arr);//
}