Resolve UART Namespaces

#include <iostream>
using namespace std;

// Create namespace Boot with nested namespace UART
namespace Boot{
    namespace UART{
        void send() { cout << "BOOT UART";}
    }
}
// Create namespace App  with nested namespace UART
namespace App{
    namespace UART{
        void send() { cout << "APP UART";}
    }
}

int main() {
    int mode;
    cin >> mode;

    // Call correct send() function here
    if ( mode == 1 ) Boot::UART::send();
    else App::UART::send();

    return 0;
}

Solving Approach

 

 

 

 

 

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Input

1

Expected Output

BOOT UART