Question

How to check if all elements of an array are even in C++

Answer 1

#include <iostream>     
#include <algorithm>    

int main () {
    std::array<int, 9> arr = {28, 4, 6, 14, 18, 8, 2, 0, 42};

    if (std::all_of(arr.begin(), arr.end(), [](int n){return !(n % 2);}))
        std::cout << "All the elements are even";
    else
        std::cout << "Not all the elements are even";
  
    return 0;
}



 
/*
run:
       
All the elements are even
       
*/

 

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