# Answer to Question #24157 in C++ for OMAR ALMUTAIRI

Question #24157

Q2: If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

Write an algorithm to Find the sum of all the multiples of 3 or 5 below 1000.

Write an algorithm to Find the sum of all the multiples of 3 or 5 below 1000.

Expert's answer

#include <conio.h>

#include <iostream>

using namespace std;

void main()

{

long sum = 0;

for (int number = 3; number < 1000; number++)

if ((number % 3 == 0) || (number % 5 == 0))

sum += number;

cout << "The sum of the multiples of 3 or 5 below 1000 is: " << sum << endl;

_getch();

}

#include <iostream>

using namespace std;

void main()

{

long sum = 0;

for (int number = 3; number < 1000; number++)

if ((number % 3 == 0) || (number % 5 == 0))

sum += number;

cout << "The sum of the multiples of 3 or 5 below 1000 is: " << sum << endl;

_getch();

}

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