Program to find perfect square between 1 and 500 in C

Problem Statement:

Write a program to find a perfect square between 1 and 500 in C using while loop.

HINT: A number is said to be perfect square if multiples of a number are same. eg., 16 is perfect square because it's multiples are 4 * 4.

  #include <stdio.h>
#include <math.h>

int main()
{
    int start=1;
   while(start<500){ //change 500 to any n
       if (sqrt(start) == (int)sqrt(start)) {
           printf("%d ",start);
       }
       start++;
   }

    return 0;
}

Run above code now

Here we are going to solve using sqrt() in <math.h>.

sqrt() returns double value. (int)sqrt() returns int value. If both float and int are same, then it is a perfect square. [i.e., 4.0 == 4] and print that number.

You can also increase upto any number only by changing condition in While loop[which is mentioned as comment].

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