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using namespace std in c++

By Breakable BoobyBreakable Booby on Apr 16, 2020
#include <iostream>

using namespace std;

int main()
{
    cout << "Hello World";
    system("pause");
    return 0;
    
}

Source: www.cplusplus.com

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using std c++

By TheGreenOakTheGreenOak on Dec 17, 2020
using namespace std;

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why to use std:: in c++

on Dec 12, 2020
When you are using "std::" it means that you will grap the following command
from the "std" namespace.
The std namespace is an abbreviation for standard

If you use "std::" you hvae to include "#include <iostream>"

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