listing2.3.cpp using std cout

// listing2.3.cpp
#include <iostream>

int main()
{
    using std::cout;
    using std::endl;

    cout << "Hello world! using std cout" << endl;
    return 0;
}

output:

 

Hello world! using std cout

Process returned 0 (0x0)   execution time : 0.078 s
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