Course/Module 8/Topic 3 of 3Advanced

Smart Pointers & Memory Management - Practice

Put your smart pointers & memory management skills to the test with practical exercises and challenges.

50 min•By Priygop Team•Last updated: Feb 2026

Hands-On Practice

Practice makes perfect! In this section, you'll work through practical exercises that reinforce the concepts covered in this module.

Exercises

Exercise 1: Apply basic smart pointers & memory management concepts
Exercise 2: Solve intermediate-level challenges
Exercise 3: Build a mini-project using smart pointers & memory management
Exercise 4: Debug and fix common issues

Practice: Smart Pointers & Memory Management

Practice: Smart Pointers & Memory ManagementC++

C++ Editor

✓ ValidTab = 2 spaces

#include <iostream>
#include <memory>
#include <vector>
using namespace std;

class Logger {
    string prefix;
public:
    Logger(string p) : prefix(p) {}
    void log(string msg) { cout << "[" << prefix << "] " << msg << endl; }
};

int main() {
    // Vector of smart pointers
    vector<shared_ptr<Logger>> loggers;
    loggers.push_back(make_shared<Logger>("App"));
    loggers.push_back(make_shared<Logger>("DB"));
    loggers.push_back(make_shared<Logger>("Net"));
    
    for (auto& l : loggers) l->log("initialized");
    
    auto main_logger = loggers[0];
    cout << "Refs: " << main_logger.use_count() << endl;
    return 0;
}

Output

Click ▶ Run to see the result

Edit the code on the left, then click Run

C++|25 lines|640 chars|✓ Valid syntax

UTF-8

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