hihihi

#include <stdio.h>

size_t a, b, c, d, e;

int main (void){
    return((!a)?printf("input (1 - 9): ")&&scanf("%u",&b)!=EOF&&(a=~a)&&main():(c<b&&b<10)?(!e)?printf("%*s",b-c,"")&&(e=~e)&&main():(d++<c+1)?printf("%u ",c+1)&&main():printf("\n")&&!(e=~e)&&!(d=0)&&(++c)&&main():0);
}