PointersUraLab1

#include <stdio.h>
#include <conio.h>
#include <stdio.h>

int main()
{
    float **x, *b;
    int n, i, j;

    printf("input n: "); scanf("%d", &n);
    x = (float**) malloc(sizeof(float*) * n);
    b = (float*) malloc(sizeof(float*) * n);
    for (i = 0; i < n; i++)
        *(x+i) = (float*) malloc(sizeof(float) * n);

    printf("input array: ");
    for (i = 0; i < n; i++)
        for (j = 0; j < n; j++)
            scanf("%f", *(x+i)+j);

    for (i = 0; i < n; i++)
    {
        float ser = 0.0;
        for (j = 0; j < n; j++)
            ser += *(*(x+i)+j);
        *(b+i) = ser / n;
    }

    for (i = 0; i < n; i++)
        printf("%f ", *(b+i));

    for (i = 0; i < n; i++)
        free(*(x+i));
    free(x);
    free(b);

    _getch();
    return 0;
}