printf("Enter, how many strings you want to sort.\n");
    scanf("%d",&kol);
    while(kol>0)
    {
        printf("Enter number of string which you want to sort\n");
        scanf("%d",&stroka);
        for(i=stroka;flag==1;){
                flag=0;
        for(j=0;j<stolb-1;j++){
          if(*(mas+i*stolb+j)>*(mas+i*stolb+(j+1))){
                temp=*(mas+i*stolb+j);
                *(mas+i*stolb+j)=*(mas+i*stolb+(j+1));
                *(mas+i*stolb+(j+1))=temp;
        flag=1;
          }
        }
        }
            kol--;
    }