What are spy numbers?

A number is said to be a Spy number if the sum of all the digits is equal to the product of all digits. Examples : Input : 1412. Output : Spy Number.

geeksforgeeks.org - Spy Number (Sum and Products of Digits are same) - GeeksforGeeks

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A number is said to be a Spy number if the sum of all the digits is equal to the product of all digits.

Examples :

Input : 1412

Output : Spy Number

Explanation :

sum = (1 + 4 + 1 + 2) = 8

product = (1 * 4 * 1 * 2) = 8

since, sum == product == 8 Input : 132

Output : Spy Number

Explanation :

sum = (1 + 3 + 2) = 6

product = (1 * 3 * 2) = 6

since, sum == product == 6

C++

#include using namespace std; bool checkSpy( int num) { int digit, sum = 0, product = 1; while (num > 0) { digit = num % 10; sum += digit; product *= digit; num = num / 10; } if (sum == product) return true ; else return false ; } int main() { int num = 1412; if (checkSpy(num)) cout << "The number is " << "a Spy number" << endl; else cout << "The number is " << "NOT a spy number" << endl; return 0; } Java import java.util.*; class GFG { static boolean checkSpy( int input) { int digit, sum = 0 , product = 1 ; while (input > 0 ) { digit = input % 10 ; sum += digit; product *= digit; input = input / 10 ; } if (sum == product) return true ; else return false ; } public static void main(String args[]) { int input = 1412 ; if (checkSpy(input)) System.out.println( "The number is " + "a Spy number" ); else System.out.println( "The number is " + "NOT a Spy number" ); } } Python3 def checkSpy(num): sums = 0 product = 1 while num> 0 : digit = num % 10 sums = sums + digit product = product * digit num = num / / 10 if sums = = product: return True else : return False num = 1412 if (checkSpy(num)): print ( "The number is a Spy Number" ) else : print ( "The number is NOT a spy number" ) C# using System; class GFG { static bool checkSpy( int input) { int digit, sum = 0, product = 1; while (input > 0) { digit = input % 10; sum += digit; product *= digit; input = input / 10; } if (sum == product) return true ; else return false ; } public static void Main() { int input = 1412; if (checkSpy(input)) Console.WriteLine( "The number is " + "a Spy number" ); else Console.WriteLine( "The number is " + "NOT a Spy number" ); } } PHP

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0) { $digit = $num % 10; $sum += $digit ; $product *= $digit ; $num = $num / 10; } if ( $sum == $product ) return 1; else return -1; } $num = 1412; if (checkSpy( $num )) echo "The number is a " . "Spy number" , " " ; else echo "The number is NOT " . "a spy number" , "

" ; ?> Javascript

Output The number is a Spy number

Time Complexity: O(log 10 n)

Auxiliary Space: O(1)

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geeksforgeeks.org - Spy Number (Sum and Products of Digits are same) - GeeksforGeeks

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