Question

How to use call a function inside for_each to print a vector in C++

Answer 1

#include <algorithm>
#include <iostream>
#include <vector>
   
int main() {
    std::vector<int> vec = { 2, 4, 6, 8, 12, 18, 20, 24 };
      
    auto print = [](const int& num) { std::cout << num << ' '; };
 
    std::for_each(vec.cbegin(), vec.cend(), print);
}
      
      
        
       
/*
run:
       
2 4 6 8 12 18 20 24 
       
*/

 

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