xyita

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

    int main()
       {
       int *a;
       int N;
       printf("\nVvedi kol elementov v masive\n");
       scanf("%d",&N);
       a = (int*)malloc(N*sizeof(int));
       int i;
       int cc = 0;
       int cs;
       printf("Skolko prostih cisel vivesti?\n");
       scanf("%d",&cs);
       for(i=0; i<N; i++){
           a[i] = i;
       }
       a[1]=0;
       int s;
       int j;
       for(s=0; s<N; s++){
           if(a[s]!=0)
            {
               for(j=s*2; j<N; j+=s)
               {
                   a[j]=0;
               }
           }
       }
       printf("==========================\n");
       for(i=0; i<N; i++){
           if(a[i]!=0)
            {
                cc++;
                printf("El %d = %d\n",cc,a[i]);
                if(cc==cs)
                {
                    break;
                }

           }
       }
       if(cc!=cs)
        {
            printf("Bolse cisel netu");
        }
        free(a);
       return (0);
    }