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Solve LeetCode 3 Longest Substring Without Repeating Characters in C++ using the sliding window

Longest Substring Without Repeating Characters in C++ LeetCode 3 · sliding window · last index array Table of Contents Problem Statement Approach Algorithm C++ Program Input Sample Output Output Explanation Dry Run Flow of Execution Time Complexity Space Complexity Applications Key Points Interview Questions Frequently Asked Questions Conclusion Problem Statement 3. Longest Substring Without Repeating Characters Given a string s , find the length of the longest substring that contains no repeating characters. A substring is a continuous part of the string, so "pwke" is a subsequence of "pwwkew" but not a substring. Approach We use a sliding window . The window is the part of the string between start and end , and we always keep it free of repeated characters. An array lastIndex of size 128 remembers the most recent position of every ASCII ...
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C++ Program to Demonstrate Single Inheritance

C++ Program for Single Inheritance (Parent and Child Class)

✅ C++ Program to Demonstrate Single Inheritance

#include <iostream>
using namespace std;

class parent {
  public:
    void parent1() {
        cout << "Hi I am parent class:\n";
    }
};

class child : public parent {
  public:
    void child1() {
        cout << "Hi I am child class:\n";
    }
};

int main() {
    child c;
    c.parent1();
    c.child1();
}

📘 Explanation:

This program demonstrates the concept of single inheritance in C++. - The parent class defines a function parent1(). - The child class inherits from the parent class using : public parent. - The child object can access both its own function (child1()) and the parent's function (parent1()).

🧾 Sample Output:

Hi I am parent class:
Hi I am child class:

🔑 Keywords:

C++ inheritance example, single inheritance in C++, parent and child class, OOP in C++, C++ object oriented programming

📌 Hashtags:

#CPlusPlus #Inheritance #OOP #Programming #CppExamples #CodingForBeginners

🔍 Search Description:

This C++ program demonstrates single inheritance where a child class inherits from a parent class. Includes example code, explanation, and sample output.

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