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

int gener(int **a, int m, int n)
{
    int i=0, j=0, x=0;
    while ((i<n)&&(j<n)&&(x<m))
    {
        a[i][j]=rand()%1;
        if (a[i][j]==1)
            x++;
        i++;
        j++;
    }
    return 0;
}

int main()
{
    int i, j, m, n, **a;
    printf("vvedite razmer mnog: ");
    scanf("%d", &n);
    a=(int**)malloc(n*sizeof(int*));
    for (i=0; i<n; i++)
        a[i]=(int*)malloc(n*sizeof(int));
    printf("vvedite chislo otn: ");
    scanf("%d", &m);
    gener(a, m, n);
    for (i=0; i<n; i++)
    {
        for (j=0; j<n; j++)
            printf("%d ", a[i][j]);
        printf("\n");
    }
    return 0;
}