Using Directive (using namespace)

Easy Namespaces

Solve in Playground →

Problem Statement

Write a C++ program bringing a custom namespace into scope using the `using` directive.

Input Format

A single integer N.

Output Format

Print processed value.

Constraints

-100000 <= N <= 100000

Sample Input

Sample Output

Value: 55

Explanation

The `using` directive makes all members of a namespace visible without qualification.

Starter Code

#include <iostream>

namespace DataStore {
    int val;
}

using namespace DataStore;

int main() {
    int n;
    if (std::cin >> n) {
        // Assign n to val and print
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

Start Coding in IDE →