Произведение всех элементов массива, кратное заданному числу K
Дан массив, содержащий N элементов и число K. Задача состоит в том, чтобы найти произведение всех таких элементов массива, которые делятся на K.
Примеры :
Ввод: arr [] = {15, 16, 10, 9, 6, 7, 17}
К = 3
Выход: 810
Ввод: arr [] = {5, 3, 6, 8, 4, 1, 2, 9}
К = 2
Выход: 384The idea is to traverse the array and check the elements one by one. If an element is divisible by K then multiply that element’s value with the product so far and continue this process while the end of the array is reached.
Below is the implementation of the above approach:
C++
// C++ program to find Product of all the elements// in an array divisible by a given number K#include <iostream>using namespace std;// Function to find Product of all the elements// in an array divisible by a given number Kint findProduct(int arr[], int n, int k){ int prod = 1; // Traverse the array for (int i = 0; i < n; i++) { // If current element is divisible by k // multiply with product so far if (arr[i] % k == 0) { prod *= arr[i]; } } // Return calculated product return prod;}// Driver codeint main(){ int arr[] = { 15, 16, 10, 9, 6, 7, 17 }; int n = sizeof(arr) / sizeof(arr[0]); int k = 3; cout << findProduct(arr, n, k); return 0;} |
Java
// Java program to find Product of all the elements// in an array divisible by a given number Kimport java.io.*;class GFG {// Function to find Product of all the elements// in an array divisible by a given number Kstatic int findProduct(int arr[], int n, int k){ int prod = 1; // Traverse the array for (int i = 0; i < n; i++) { // If current element is divisible by k // multiply with product so far if (arr[i] % k == 0) { prod *= arr[i]; } } // Return calculated product return prod;}// Driver code public static void main (String[] args) { int arr[] = { 15, 16, 10, 9, 6, 7, 17 }; int n = arr.length; int k = 3; System.out.println(findProduct(arr, n, k)); }}// This code is contributed by inder_verma.. |
Python3
# Python3 program to find Product of all# the elements in an array divisible by# a given number K# Function to find Product of all the elements# in an array divisible by a given number Kdef findProduct(arr, n, k): prod = 1 # Traverse the array for i in range(n): # If current element is divisible # by k, multiply with product so far if (arr[i] % k == 0): prod *= arr[i] # Return calculated product return prod# Driver codeif __name__ == "__main__": arr= [15, 16, 10, 9, 6, 7, 17 ] n = len(arr) k = 3 print (findProduct(arr, n, k))# This code is contributed by ita_c |
C#
// C# program to find Product of all// the elements in an array divisible// by a given number Kusing System;class GFG{// Function to find Product of all// the elements in an array divisible// by a given number Kstatic int findProduct(int []arr, int n, int k){ int prod = 1; // Traverse the array for (int i = 0; i < n; i++) { // If current element is divisible // by k multiply with product so far if (arr[i] % k == 0) { prod *= arr[i]; } } // Return calculated product return prod;}// Driver codepublic static void Main(){ int []arr = { 15, 16, 10, 9, 6, 7, 17 }; int n = arr.Length; int k = 3; Console.WriteLine(findProduct(arr, n, k));}}// This code is contributed by inder_verma |
PHP
<?php// PHP program to find Product of// all the elements in an array// divisible by a given number K// Function to find Product of// all the elements in an array// divisible by a given number Kfunction findProduct(&$arr, $n, $k){ $prod = 1; // Traverse the array for ($i = 0; $i < $n; $i++) { // If current element is divisible // by k multiply with product so far if ($arr[$i] % $k == 0) { $prod *= $arr[$i]; } } // Return calculated product return $prod;}// Driver code$arr = array(15, 16, 10, 9, 6, 7, 17 );$n = sizeof($arr);$k = 3;echo (findProduct($arr, $n, $k));// This code is contributed// by Shivi_Aggarwal?> |
Javascript
<script>// Function to find Product of all the elements// in an array divisible by a given number Kfunction findProduct( arr, n, k){ var prod = 1; // Traverse the array for (var i = 0; i < n; i++) { // If current element is divisible by k // multiply with product so far if (arr[i] % k == 0) { prod *= arr[i]; } } // Return calculated product return prod;}var arr = [15, 16, 10, 9, 6, 7, 17 ]; document.write(findProduct(arr, 7, 3));</script> |
810
Сложность времени : O (N), где N - количество элементов в массиве.
Вниманию читателя! Не прекращайте учиться сейчас. Освойте все важные концепции DSA с помощью самостоятельного курса DSA по приемлемой для студентов цене и будьте готовы к работе в отрасли. Чтобы завершить подготовку от изучения языка к DS Algo и многому другому, см. Полный курс подготовки к собеседованию .
Если вы хотите посещать живые занятия с отраслевыми экспертами, пожалуйста, обращайтесь к Geeks Classes Live и Geeks Classes Live USA.