c++11 style of initialization demo

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#include <iostream>using namespace std;int main(){    int i{10};    cout << i << endl;}
#include <iostream>using namespace std;int main(){    int arr[]{1, 2, 3};    for (int val : arr)        cout << val << " ";    cout << endl;}
#include <iostream>using namespace std;int main(){    int arr[]{1, 2, 3};    for (auto val : arr)        cout << val << " ";    cout << endl;}




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