#include <stdio.h>
#include <math.h>

int main()
{
    int sluchay = 1, a = 10, b = 10, A[a][b], B[a][b], min, max, s, i, j;
    if(sluchay == 1)
    {
        for (i = 0; i < a; i++)
        {
            for (j = 0; j < b; j++)
            {
                A[i][j] = i * i - j * j;
                printf ("%d ", A[i][j]);
            }
            printf ("\n");
        }
        int *pa;
        pa = &A[0][0];
        f(pa, a, b, &s, &min, &max);
    }
    else
    {
        printf ("Matrix without saddle point\n");
        for (i = 0; i < a; i++)
        {
            for (j = 0; j < b; j++)
            {
                B[i][j] = rand();
                printf ("%d ", B[i][j]);
            }
            printf ("\n");
        }
        int *pb;
        pb = &B[0][0];
        f( pb, a, b, &s, &min, &max);
    }

}

int f(int *pa,int a, int b, int *s, int *min, int *max)
{
    int i,j, A[a][b], index1, index2, pmin, pmax, flag = 0, flag2 = 0, m;
    *s=0;
    *min=*pa;
    *max=*pa;
    for (i = 0; i < a; i++)
    {
        for (j = 0; j < b; j++)
        {
            if ( *(pa + i * b + j) > *max)
                *max= *(pa + i * b + j);
            if ( *(pa + i * b + j) < *min)
                *min = *(pa + i * b + j);
        }
    }
    printf("\nmin = %d \nmax = %d\n", *min, *max);

    for (i = 0; i < a; i++)
    {
        pmin = *(pa + i * b);
        index1 = 0;
        for (j = 0; j < b; j++)
        {
            if (*(pa + i * b + j) < pmin)
            {
                pmin = *(pa + i * a + j);
                index1 = j;
            }
        }
        flag = 1;
        for (m = 0; m < a; m++)
        {
            if (*(pa + m * b + j) > pmin)
            {
                flag = 0;
                break;
            }
        }
        if (flag == 1)
        {
            *s = pmin;
            printf ("saddle point = %d", *s);
            flag2 = 1;
            break;
        }
    }
    if (flag2 == 1)
    {
        return 0;
    }
    else
    {
        for (i = 0; i < a; i++)
        {
            pmax = *(pa + i * a);
            index2 = 0;
            for (j = 0; j < b; j++)
            {
                if (*(pa + i * b + j) > pmax)
                {
                    pmax = *(pa + i * a + j);
                    index2 = j;
                }
            }
            flag = 1;
            for (m = 0; m < a; m++)
            {
                if (pmax > *(pa + m * a + index2))
                {
                    flag = 0;
                    break;
                }
            }
            if (flag == 1)
            {
                *s = pmax;
                printf ("saddle point = %d", *s);
                flag2 = 1;
                break;
            }
        }
    }
    if (flag2 == 1)
    {
        printf("\nsaddle point = %d", *s);
        return 0;
    }
    else
    {
        printf ("NO SADDLE POINT\n");
        return 1;
    }

}