Question

How to use foreach loop equivalent in C++

Answer 1

#include <iostream>

int main() 
{ 
    int arr[] = {1, 2, 3, 4, 5, 6};  
    
    for (int n : arr) {
    	std::cout << n << " ";
    }
}



/*
run:
    
1 2 3 4 5 6 	
    
*/

 

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Answer 2

#include <iostream>
#include <array>

int main() 
{ 
    std::array<std::string, 4> arr = {"c", "c++", "python", "java"};
    
    for (const std::string& str : arr) {
        std::cout << str << " ";
    }
}



/*
run:
    
c c++ python java 	
    
*/

 

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Answer 3

#include <iostream>
#include <vector>

int main() 
{ 
    std::vector<std::string> vec{"c", "c++", "python", "java", "c#"};
    
    for (auto str: vec) {
        std::cout << str << " ";
    }
}



/*
run:
    
c c++ python java c# 	
    
*/

 

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