To Alina With <3

#include "stdafx.h"
#include "stdlib.h"
#include "conio.h"
#include "malloc.h"
#include "time.h"
#include "locale.h"

int _tmain(int argc, _TCHAR* argv[])
{
    setlocale(LC_ALL, "russian");

    float **A, *srednee, temp;
    int i, j, n, k, m, imin;
    //n=10 m=12

    printf("Введите n: ");
    scanf("%d", &n);

    printf("Введите m: ");
    scanf("%d", &m);

    srand(time(NULL));

    A = (float**)malloc(n * sizeof(float*));
    srednee = (float*)malloc(n * sizeof(float*));

    printf("\n");
    for (i = 0; i < n; i++) {
        A[i] = (float*)malloc(m * sizeof(float*));
        for (j = 0; j < m; j++) {
            A[i][j] = 10 + 0.001 * rand();
            printf("%.2f ", A[i][j]);
        }
        printf("\n");
    }

    printf("\n\n");

    for (j = 0; j < m; j++) {
        srednee[j] = 0;
        for (i = 0; i < n; i++) {
            srednee[j] += A[i][j];
        }
        srednee[j] = srednee[j] / n;
        printf("srednee[%d]: %.2f\n", j, srednee[j]);
    }


    for (i = 0; i < n - 1; i++) {
        imin = i;
        for (j = i + 1; j < n; j++)
            if (srednee[j] < srednee[imin])
                imin = j;

        temp = srednee[i];
        srednee[i] = srednee[imin];
        srednee[imin] = temp;

        for (k = 0; k < n; k++) {
            temp = A[k][i];
            A[k][i] = A[k][imin];
            A[k][imin] = temp;
        }
    }


    printf("\n");
    for (i = 0; i < n; i++) {
        for (j = 0; j < m; j++)
            printf("%.2f ", A[i][j]);
        printf("\n");
    }

    for (i = 0; i < n; i++)
        free(A[i]);
    free(A);

    getch();
    return 0;
}