CPP

c++ foreach

// C++ program to demonstrate use of foreach
#include <iostream>
using namespace std;
  
int main()
{
    int arr[] = { 10, 20, 30, 40 };
  
    // Printing elements of an array using
    // foreach loop
    for (int x : arr)
        cout << x << endl;
}

//output:
//10
//20
//30
//40

c++ for each loop

int arr[] = { 10, 20, 30, 40 };
for (int x : arr)
{
	// Stuff with x
  	// x will first have 10, then 20 and so on.
}

cpp foreach

for(type variable_name : array/vector_name)
{
    loop statements
    ...
}

c++ foreach

// REMEMBER TO REPLACE '???' 
//    with the data structure to iterate on

for(int i=0; i<???; ++i) {}
for(auto it=???.begin(); it!=???.end(); ++it) {}
for(auto &obj : ???) {}