use of auto in for loop in c code example

Example 1: range based for loop c++

array<int, 5> values = {1, 2, 3, 4, 10};
// the type declaration below must be consistent with the array type
for (int x : values){ //we use a colon instead of in
cout << x << endl;
}

Example 2: range based for loop c++

for (<variable_declaration> : expression){
//statements
}