C++ Exercises: Check if a given number is within 2 of a multiple of 10

C++ Basic Algorithm: Exercise-41 with Solution

Within 2 of Multiple of 10

Write a C++ program to check if a given number is within 2 of a multiple of 10.

Sample Solution:

C++ Code :

#include <iostream>
using namespace std;

// Function to check if a number's last digit is less than or equal to 2 OR greater than or equal to 8
bool test(int n)
{
    // Returns true if the last digit of n is less than or equal to 2 OR greater than or equal to 8
    return n % 10 <= 2 || n % 10 >= 8;
}

int main() 
{
    // Testing the test function with different input values
    cout << test(3) << endl;
    cout << test(7) << endl;
    cout << test(8) << endl;
    cout << test(21) << endl;

    return 0; // Return 0 to indicate successful completion
}

Sample Output:

0
0
1
1

Flowchart:

C++ Code Editor:

Contribute your code and comments through Disqus.

Previous: Write a C++ program to check if a given non-negative number is a multiple of 3 or 7, but not both.
Next: Write a C++ program to compute the sum of the two given integers. If one of the given integer value is in the range 10..20 inclusive return 18.