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C++ Exercises: Check if a given non-negative number is a multiple of 3 or 7, but not both

C++ Basic Algorithm: Exercise-40 with Solution

Write a C++ program to check if a given number that is not negative is a multiple of 3 or 7, but not both.

Sample Solution:

C++ Code :

#include <iostream>
 
using namespace std;

bool test(int n)
        {
            return n % 3 == 0 ^ n % 7 == 0;
        }
     
        
int main() 
 {
  cout << test(3) << endl; 
  cout << test(7) << endl; 
  cout << test(21) << endl;         
  return 0;      
}

Sample Output:

1
1
0

Pictorial Presentation:

C++ Basic Algorithm Exercises: Check if a given non-negative number is a multiple of 3 or 7, but not both.

Flowchart:

Flowchart: Check if a given non-negative number is a multiple of 3 or 7, but not both.

C++ Code Editor:

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Previous: Write a C++ program to test if a given non-negative number is a multiple of 13 or it is one more than a multiple of 13.
Next: Write a C++ program to check if a given number is within 2 of a multiple of 10.

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C++ Programming: Tips of the Day

Static member initialization in a class template

Just define it in the header:

template<typename T>
struct S
{
static double something_relevant;
};

template<typename T>
double S<T>::something_relevant = 1.5;

Since it is part of a template, as with all templates the compiler will make sure it's only defined once.

Ref: https://bit.ly/3MxgJH9

 





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