C语言编辑找错（水仙花数)

Question

#include <stdio.h>int main(){     int num1, sd, td, hd ,count=0,x,y;     num1>=100&&x<1000;     y>=100&&y<1000;     scanf("%d%d",&x,&y);     for(num1=x;num1<=y;num1++)    {              hd =num1/100;              td =(num1%100)/10;              sd =num1%10;        if(num1==hd*hd*hd+td*td*td+sd*sd*sd)         {   count++ ;   printf("%d ",num1);        }    }        if(count==0)        printf("no");            return 0;    }