Merge pull request SAMYAK99#700 from div2301/neon

[ADD] Neon Number

Author: SAMYAK99

C++/neon.cpp

@@ -0,0 +1,29 @@
+// C/C++ program to check and print
+// Neon Numbers upto 10000
+#include <iostream>
+using namespace std;
+#include <math.h>
+
+int checkNeon(int x)
+{
+	// storing the square of x
+	int sq = x * x;
+
+	// calculating the sum of digits
+	// of sq
+	int sum_digits = 0;
+	while (sq != 0) {
+		sum_digits = sum_digits + sq % 10;
+		sq = sq / 10;
+	}
+	return (sum_digits == x);
+}
+
+// Driver Code
+int main(void)
+{
+	// Printing Neon Numbers upto 10000
+	for (int i = 1; i <= 10000; i++)
+		if (checkNeon(i))
+			cout << i << " ";
+}