Resolve UART Namespaces

#include <iostream>
using namespace std;

// Create namespace Boot with nested namespace UART
namespace Boot{
    namespace UART{
        void send(){
            printf("BOOT UART");
        }
    }
}
// Create namespace App  with nested namespace UART
namespace App{
    namespace UART{
        void send(){
            printf("APP UART");
        }
    }
}
int main() {
    int mode;
    cin >> mode;

    // Call correct send() function here
    mode==1 ? Boot::UART::send() : App::UART::send();
    return 0;
}

Solving Approach

 

 

 

 

 

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Input

1

Expected Output

BOOT UART