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Program Discussion :: Basics
Home > Programs > Basics

285. Write a program to print all the four digit numbers whose squares must have all the even digits.

Answer:

<p>#include <stdio.h><br />
#include <math.h><br />
int main()<br />
{<br />
    printf("the numbers are:\n");<br />
    for(int num=1000;num<=9999;num  )<br />
    {<br />
      int nroot=(int) sqrt(num);<br />
      if(num==nroot*nroot)<br />
      {<br />
       int upper=num/100;<br />
       int uroot=sqrt(upper);<br />
       if(upper==uroot*uroot)<br />
       {<br />
        int lower=num0;<br />
        int lroot=sqrt(lower);<br />
        if(lower==lroot*lroot)<br />
            printf("%d\n",num);<br />
       }<br />
      }<br />
    }<br />
}</p>

Asked In ::  Virtusa  

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